Home / 31,432.86-43,377.93-17,092.62

Finding the Fourth Proportional to 31,432.86, 43,377.93 and 17,092.62

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Solution

The fourth proportional to 31,432.86, 43,377.93 and 17,092.62 is: 23,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.86 : 43,377.93 = 17,092.62 : x
  2. Step 2: Convert to fraction form
    31,432.86/43,377.93 = 17,092.62/x
  3. Step 3: Cross multiply
    31,432.86x = 43,377.93 × 17,092.62
  4. Step 4: Simplify right side
    31,432.86x = 741,442,473.88
  5. Step 5: Solve for x
    x = 741,442,473.88/31,432.86
  6. Step 6: Final answer
    x = 23,588.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.