Home / 52,378.65-72,283.19-28,505.52

Finding the Fourth Proportional to 52,378.65, 72,283.19 and 28,505.52

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Solution

The fourth proportional to 52,378.65, 72,283.19 and 28,505.52 is: 39,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.65 : 72,283.19 = 28,505.52 : x
  2. Step 2: Convert to fraction form
    52,378.65/72,283.19 = 28,505.52/x
  3. Step 3: Cross multiply
    52,378.65x = 72,283.19 × 28,505.52
  4. Step 4: Simplify right side
    52,378.65x = 2,060,469,775.68
  5. Step 5: Solve for x
    x = 2,060,469,775.68/52,378.65
  6. Step 6: Final answer
    x = 39,337.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.