Home / 39,967.38-59,857.68-31,591.20

Finding the Fourth Proportional to 39,967.38, 59,857.68 and 31,591.20

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Solution

The fourth proportional to 39,967.38, 59,857.68 and 31,591.20 is: 47,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.38 : 59,857.68 = 31,591.20 : x
  2. Step 2: Convert to fraction form
    39,967.38/59,857.68 = 31,591.20/x
  3. Step 3: Cross multiply
    39,967.38x = 59,857.68 × 31,591.20
  4. Step 4: Simplify right side
    39,967.38x = 1,890,975,940.42
  5. Step 5: Solve for x
    x = 1,890,975,940.42/39,967.38
  6. Step 6: Final answer
    x = 47,312.98

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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.