Home / 47,639.68-71,454.40-19,562.64

Finding the Fourth Proportional to 47,639.68, 71,454.40 and 19,562.64

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Solution

The fourth proportional to 47,639.68, 71,454.40 and 19,562.64 is: 29,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.68 : 71,454.40 = 19,562.64 : x
  2. Step 2: Convert to fraction form
    47,639.68/71,454.40 = 19,562.64/x
  3. Step 3: Cross multiply
    47,639.68x = 71,454.40 × 19,562.64
  4. Step 4: Simplify right side
    47,639.68x = 1,397,836,703.62
  5. Step 5: Solve for x
    x = 1,397,836,703.62/47,639.68
  6. Step 6: Final answer
    x = 29,341.86

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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.