Home / 38,077.07-52,546.35-21,310.07

Finding the Fourth Proportional to 38,077.07, 52,546.35 and 21,310.07

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Solution

The fourth proportional to 38,077.07, 52,546.35 and 21,310.07 is: 29,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.07 : 52,546.35 = 21,310.07 : x
  2. Step 2: Convert to fraction form
    38,077.07/52,546.35 = 21,310.07/x
  3. Step 3: Cross multiply
    38,077.07x = 52,546.35 × 21,310.07
  4. Step 4: Simplify right side
    38,077.07x = 1,119,766,396.74
  5. Step 5: Solve for x
    x = 1,119,766,396.74/38,077.07
  6. Step 6: Final answer
    x = 29,407.89

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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.