Home / 63,639.05-95,479.31-30,354.78

Finding the Fourth Proportional to 63,639.05, 95,479.31 and 30,354.78

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Solution

The fourth proportional to 63,639.05, 95,479.31 and 30,354.78 is: 45,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.05 : 95,479.31 = 30,354.78 : x
  2. Step 2: Convert to fraction form
    63,639.05/95,479.31 = 30,354.78/x
  3. Step 3: Cross multiply
    63,639.05x = 95,479.31 × 30,354.78
  4. Step 4: Simplify right side
    63,639.05x = 2,898,253,449.60
  5. Step 5: Solve for x
    x = 2,898,253,449.60/63,639.05
  6. Step 6: Final answer
    x = 45,542.06

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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.