Home / 31,974.77-47,966.54-10,909.16

Finding the Fourth Proportional to 31,974.77, 47,966.54 and 10,909.16

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Solution

The fourth proportional to 31,974.77, 47,966.54 and 10,909.16 is: 16,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.77 : 47,966.54 = 10,909.16 : x
  2. Step 2: Convert to fraction form
    31,974.77/47,966.54 = 10,909.16/x
  3. Step 3: Cross multiply
    31,974.77x = 47,966.54 × 10,909.16
  4. Step 4: Simplify right side
    31,974.77x = 523,274,545.00
  5. Step 5: Solve for x
    x = 523,274,545.00/31,974.77
  6. Step 6: Final answer
    x = 16,365.23

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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.