Home / 83,473.38-125,214.63-21,144.42

Finding the Fourth Proportional to 83,473.38, 125,214.63 and 21,144.42

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Solution

The fourth proportional to 83,473.38, 125,214.63 and 21,144.42 is: 31,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.38 : 125,214.63 = 21,144.42 : x
  2. Step 2: Convert to fraction form
    83,473.38/125,214.63 = 21,144.42/x
  3. Step 3: Cross multiply
    83,473.38x = 125,214.63 × 21,144.42
  4. Step 4: Simplify right side
    83,473.38x = 2,647,590,726.86
  5. Step 5: Solve for x
    x = 2,647,590,726.86/83,473.38
  6. Step 6: Final answer
    x = 31,717.79

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1.5x scale

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.