Home / 49,368.80-68,129.28-30,248.61

Finding the Fourth Proportional to 49,368.80, 68,129.28 and 30,248.61

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Solution

The fourth proportional to 49,368.80, 68,129.28 and 30,248.61 is: 41,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,368.80 : 68,129.28 = 30,248.61 : x
  2. Step 2: Convert to fraction form
    49,368.80/68,129.28 = 30,248.61/x
  3. Step 3: Cross multiply
    49,368.80x = 68,129.28 × 30,248.61
  4. Step 4: Simplify right side
    49,368.80x = 2,060,816,020.30
  5. Step 5: Solve for x
    x = 2,060,816,020.30/49,368.80
  6. Step 6: Final answer
    x = 41,743.29

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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.