Home / 43,680.88-65,514.92-21,488.32

Finding the Fourth Proportional to 43,680.88, 65,514.92 and 21,488.32

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Solution

The fourth proportional to 43,680.88, 65,514.92 and 21,488.32 is: 32,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680.88 : 65,514.92 = 21,488.32 : x
  2. Step 2: Convert to fraction form
    43,680.88/65,514.92 = 21,488.32/x
  3. Step 3: Cross multiply
    43,680.88x = 65,514.92 × 21,488.32
  4. Step 4: Simplify right side
    43,680.88x = 1,407,805,565.73
  5. Step 5: Solve for x
    x = 1,407,805,565.73/43,680.88
  6. Step 6: Final answer
    x = 32,229.33

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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.