Home / 83,854.32-125,781.48-21,524.82

Finding the Fourth Proportional to 83,854.32, 125,781.48 and 21,524.82

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Solution

The fourth proportional to 83,854.32, 125,781.48 and 21,524.82 is: 32,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,854.32 : 125,781.48 = 21,524.82 : x
  2. Step 2: Convert to fraction form
    83,854.32/125,781.48 = 21,524.82/x
  3. Step 3: Cross multiply
    83,854.32x = 125,781.48 × 21,524.82
  4. Step 4: Simplify right side
    83,854.32x = 2,707,423,716.33
  5. Step 5: Solve for x
    x = 2,707,423,716.33/83,854.32
  6. Step 6: Final answer
    x = 32,287.23

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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.