Home / 31,344.98-47,031.71-15,565.77

Finding the Fourth Proportional to 31,344.98, 47,031.71 and 15,565.77

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Solution

The fourth proportional to 31,344.98, 47,031.71 and 15,565.77 is: 23,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.98 : 47,031.71 = 15,565.77 : x
  2. Step 2: Convert to fraction form
    31,344.98/47,031.71 = 15,565.77/x
  3. Step 3: Cross multiply
    31,344.98x = 47,031.71 × 15,565.77
  4. Step 4: Simplify right side
    31,344.98x = 732,084,702.74
  5. Step 5: Solve for x
    x = 732,084,702.74/31,344.98
  6. Step 6: Final answer
    x = 23,355.73

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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.