Home / 31,390.70-47,092.98-10,337.22

Finding the Fourth Proportional to 31,390.70, 47,092.98 and 10,337.22

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Solution

The fourth proportional to 31,390.70, 47,092.98 and 10,337.22 is: 15,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.70 : 47,092.98 = 10,337.22 : x
  2. Step 2: Convert to fraction form
    31,390.70/47,092.98 = 10,337.22/x
  3. Step 3: Cross multiply
    31,390.70x = 47,092.98 × 10,337.22
  4. Step 4: Simplify right side
    31,390.70x = 486,810,494.72
  5. Step 5: Solve for x
    x = 486,810,494.72/31,390.70
  6. Step 6: Final answer
    x = 15,508.11

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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.