Home / 56,342.55-84,389.24-38,531

Finding the Fourth Proportional to 56,342.55, 84,389.24 and 38,531

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Solution

The fourth proportional to 56,342.55, 84,389.24 and 38,531 is: 57,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.55 : 84,389.24 = 38,531 : x
  2. Step 2: Convert to fraction form
    56,342.55/84,389.24 = 38,531/x
  3. Step 3: Cross multiply
    56,342.55x = 84,389.24 × 38,531
  4. Step 4: Simplify right side
    56,342.55x = 3,251,601,806.44
  5. Step 5: Solve for x
    x = 3,251,601,806.44/56,342.55
  6. Step 6: Final answer
    x = 57,711.30

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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.