Home / 37,285.29-51,452.15-20,517.21

Finding the Fourth Proportional to 37,285.29, 51,452.15 and 20,517.21

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Solution

The fourth proportional to 37,285.29, 51,452.15 and 20,517.21 is: 28,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.29 : 51,452.15 = 20,517.21 : x
  2. Step 2: Convert to fraction form
    37,285.29/51,452.15 = 20,517.21/x
  3. Step 3: Cross multiply
    37,285.29x = 51,452.15 × 20,517.21
  4. Step 4: Simplify right side
    37,285.29x = 1,055,654,463.92
  5. Step 5: Solve for x
    x = 1,055,654,463.92/37,285.29
  6. Step 6: Final answer
    x = 28,312.89

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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.