Home / 31,714.52-47,567.67-15,085.12

Finding the Fourth Proportional to 31,714.52, 47,567.67 and 15,085.12

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Solution

The fourth proportional to 31,714.52, 47,567.67 and 15,085.12 is: 22,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.52 : 47,567.67 = 15,085.12 : x
  2. Step 2: Convert to fraction form
    31,714.52/47,567.67 = 15,085.12/x
  3. Step 3: Cross multiply
    31,714.52x = 47,567.67 × 15,085.12
  4. Step 4: Simplify right side
    31,714.52x = 717,564,010.07
  5. Step 5: Solve for x
    x = 717,564,010.07/31,714.52
  6. Step 6: Final answer
    x = 22,625.73

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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.