Home / 40,565.82-60,854.58-12,488.28

Finding the Fourth Proportional to 40,565.82, 60,854.58 and 12,488.28

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Solution

The fourth proportional to 40,565.82, 60,854.58 and 12,488.28 is: 18,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.82 : 60,854.58 = 12,488.28 : x
  2. Step 2: Convert to fraction form
    40,565.82/60,854.58 = 12,488.28/x
  3. Step 3: Cross multiply
    40,565.82x = 60,854.58 × 12,488.28
  4. Step 4: Simplify right side
    40,565.82x = 759,969,034.32
  5. Step 5: Solve for x
    x = 759,969,034.32/40,565.82
  6. Step 6: Final answer
    x = 18,734.22

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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.