Home / 31,326.13-46,976.44-14,691.57

Finding the Fourth Proportional to 31,326.13, 46,976.44 and 14,691.57

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Solution

The fourth proportional to 31,326.13, 46,976.44 and 14,691.57 is: 22,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.13 : 46,976.44 = 14,691.57 : x
  2. Step 2: Convert to fraction form
    31,326.13/46,976.44 = 14,691.57/x
  3. Step 3: Cross multiply
    31,326.13x = 46,976.44 × 14,691.57
  4. Step 4: Simplify right side
    31,326.13x = 690,157,656.61
  5. Step 5: Solve for x
    x = 690,157,656.61/31,326.13
  6. Step 6: Final answer
    x = 22,031.37

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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.