Home / 31,691.64-47,534.61-9,509.97

Finding the Fourth Proportional to 31,691.64, 47,534.61 and 9,509.97

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Solution

The fourth proportional to 31,691.64, 47,534.61 and 9,509.97 is: 14,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.64 : 47,534.61 = 9,509.97 : x
  2. Step 2: Convert to fraction form
    31,691.64/47,534.61 = 9,509.97/x
  3. Step 3: Cross multiply
    31,691.64x = 47,534.61 × 9,509.97
  4. Step 4: Simplify right side
    31,691.64x = 452,052,715.06
  5. Step 5: Solve for x
    x = 452,052,715.06/31,691.64
  6. Step 6: Final answer
    x = 14,264.10

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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.