Home / 49,388.60-74,034.30-44,139.80

Finding the Fourth Proportional to 49,388.60, 74,034.30 and 44,139.80

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Solution

The fourth proportional to 49,388.60, 74,034.30 and 44,139.80 is: 66,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.60 : 74,034.30 = 44,139.80 : x
  2. Step 2: Convert to fraction form
    49,388.60/74,034.30 = 44,139.80/x
  3. Step 3: Cross multiply
    49,388.60x = 74,034.30 × 44,139.80
  4. Step 4: Simplify right side
    49,388.60x = 3,267,859,195.14
  5. Step 5: Solve for x
    x = 3,267,859,195.14/49,388.60
  6. Step 6: Final answer
    x = 66,166.26

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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.