Home / 31,613.82-47,444.13-14,973.90

Finding the Fourth Proportional to 31,613.82, 47,444.13 and 14,973.90

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Solution

The fourth proportional to 31,613.82, 47,444.13 and 14,973.90 is: 22,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.82 : 47,444.13 = 14,973.90 : x
  2. Step 2: Convert to fraction form
    31,613.82/47,444.13 = 14,973.90/x
  3. Step 3: Cross multiply
    31,613.82x = 47,444.13 × 14,973.90
  4. Step 4: Simplify right side
    31,613.82x = 710,423,346.12
  5. Step 5: Solve for x
    x = 710,423,346.12/31,613.82
  6. Step 6: Final answer
    x = 22,471.92

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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.