Home / 31,560.22-47,347.98-11,838.97

Finding the Fourth Proportional to 31,560.22, 47,347.98 and 11,838.97

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Solution

The fourth proportional to 31,560.22, 47,347.98 and 11,838.97 is: 17,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.22 : 47,347.98 = 11,838.97 : x
  2. Step 2: Convert to fraction form
    31,560.22/47,347.98 = 11,838.97/x
  3. Step 3: Cross multiply
    31,560.22x = 47,347.98 × 11,838.97
  4. Step 4: Simplify right side
    31,560.22x = 560,551,314.78
  5. Step 5: Solve for x
    x = 560,551,314.78/31,560.22
  6. Step 6: Final answer
    x = 17,761.32

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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.