Home / 54,772.20-82,158.30-39,827.70

Finding the Fourth Proportional to 54,772.20, 82,158.30 and 39,827.70

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Solution

The fourth proportional to 54,772.20, 82,158.30 and 39,827.70 is: 59,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.20 : 82,158.30 = 39,827.70 : x
  2. Step 2: Convert to fraction form
    54,772.20/82,158.30 = 39,827.70/x
  3. Step 3: Cross multiply
    54,772.20x = 82,158.30 × 39,827.70
  4. Step 4: Simplify right side
    54,772.20x = 3,272,176,124.91
  5. Step 5: Solve for x
    x = 3,272,176,124.91/54,772.20
  6. Step 6: Final answer
    x = 59,741.55

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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.