Home / 38,595,000.31-53,261,862.16-21,191,193.30

Finding the Fourth Proportional to 38,595,000.31, 53,261,862.16 and 21,191,193.30

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Solution

The fourth proportional to 38,595,000.31, 53,261,862.16 and 21,191,193.30 is: 29,244,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595,000.31 : 53,261,862.16 = 21,191,193.30 : x
  2. Step 2: Convert to fraction form
    38,595,000.31/53,261,862.16 = 21,191,193.30/x
  3. Step 3: Cross multiply
    38,595,000.31x = 53,261,862.16 × 21,191,193.30
  4. Step 4: Simplify right side
    38,595,000.31x = 1,128,682,416,550,515.50
  5. Step 5: Solve for x
    x = 1,128,682,416,550,515.50/38,595,000.31
  6. Step 6: Final answer
    x = 29,244,265.00

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.