Home / 31,955,956.20-47,957,553.90-21,169,672.20

Finding the Fourth Proportional to 31,955,956.20, 47,957,553.90 and 21,169,672.20

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Solution

The fourth proportional to 31,955,956.20, 47,957,553.90 and 21,169,672.20 is: 31,770,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955,956.20 : 47,957,553.90 = 21,169,672.20 : x
  2. Step 2: Convert to fraction form
    31,955,956.20/47,957,553.90 = 21,169,672.20/x
  3. Step 3: Cross multiply
    31,955,956.20x = 47,957,553.90 × 21,169,672.20
  4. Step 4: Simplify right side
    31,955,956.20x = 1,015,245,695,576,831.50
  5. Step 5: Solve for x
    x = 1,015,245,695,576,831.50/31,955,956.20
  6. Step 6: Final answer
    x = 31,770,155.44

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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.