Home / 35,828.90-53,743.35-18,114.20

Finding the Fourth Proportional to 35,828.90, 53,743.35 and 18,114.20

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Solution

The fourth proportional to 35,828.90, 53,743.35 and 18,114.20 is: 27,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.90 : 53,743.35 = 18,114.20 : x
  2. Step 2: Convert to fraction form
    35,828.90/53,743.35 = 18,114.20/x
  3. Step 3: Cross multiply
    35,828.90x = 53,743.35 × 18,114.20
  4. Step 4: Simplify right side
    35,828.90x = 973,517,790.57
  5. Step 5: Solve for x
    x = 973,517,790.57/35,828.90
  6. Step 6: Final answer
    x = 27,171.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.