Home / 45,774.96-68,691.33-19,479.66

Finding the Fourth Proportional to 45,774.96, 68,691.33 and 19,479.66

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Solution

The fourth proportional to 45,774.96, 68,691.33 and 19,479.66 is: 29,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,774.96 : 68,691.33 = 19,479.66 : x
  2. Step 2: Convert to fraction form
    45,774.96/68,691.33 = 19,479.66/x
  3. Step 3: Cross multiply
    45,774.96x = 68,691.33 × 19,479.66
  4. Step 4: Simplify right side
    45,774.96x = 1,338,083,753.35
  5. Step 5: Solve for x
    x = 1,338,083,753.35/45,774.96
  6. Step 6: Final answer
    x = 29,231.78

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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.