Home / 31,517.52-47,243.16-29,877

Finding the Fourth Proportional to 31,517.52, 47,243.16 and 29,877

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Solution

The fourth proportional to 31,517.52, 47,243.16 and 29,877 is: 44,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.52 : 47,243.16 = 29,877 : x
  2. Step 2: Convert to fraction form
    31,517.52/47,243.16 = 29,877/x
  3. Step 3: Cross multiply
    31,517.52x = 47,243.16 × 29,877
  4. Step 4: Simplify right side
    31,517.52x = 1,411,483,891.32
  5. Step 5: Solve for x
    x = 1,411,483,891.32/31,517.52
  6. Step 6: Final answer
    x = 44,784.10

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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.