Home / 31,729.40-47,552.10-16,906.40

Finding the Fourth Proportional to 31,729.40, 47,552.10 and 16,906.40

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Solution

The fourth proportional to 31,729.40, 47,552.10 and 16,906.40 is: 25,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.40 : 47,552.10 = 16,906.40 : x
  2. Step 2: Convert to fraction form
    31,729.40/47,552.10 = 16,906.40/x
  3. Step 3: Cross multiply
    31,729.40x = 47,552.10 × 16,906.40
  4. Step 4: Simplify right side
    31,729.40x = 803,934,823.44
  5. Step 5: Solve for x
    x = 803,934,823.44/31,729.40
  6. Step 6: Final answer
    x = 25,337.22

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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.