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Finding the Fourth Proportional to 37,285.71, 55,948.02 and 15,115.47

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Solution

The fourth proportional to 37,285.71, 55,948.02 and 15,115.47 is: 22,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.71 : 55,948.02 = 15,115.47 : x
  2. Step 2: Convert to fraction form
    37,285.71/55,948.02 = 15,115.47/x
  3. Step 3: Cross multiply
    37,285.71x = 55,948.02 × 15,115.47
  4. Step 4: Simplify right side
    37,285.71x = 845,680,617.87
  5. Step 5: Solve for x
    x = 845,680,617.87/37,285.71
  6. Step 6: Final answer
    x = 22,681.09

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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.