Home / 48,100.80-66,388.24-31,719.18

Finding the Fourth Proportional to 48,100.80, 66,388.24 and 31,719.18

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Solution

The fourth proportional to 48,100.80, 66,388.24 and 31,719.18 is: 43,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,100.80 : 66,388.24 = 31,719.18 : x
  2. Step 2: Convert to fraction form
    48,100.80/66,388.24 = 31,719.18/x
  3. Step 3: Cross multiply
    48,100.80x = 66,388.24 × 31,719.18
  4. Step 4: Simplify right side
    48,100.80x = 2,105,780,534.44
  5. Step 5: Solve for x
    x = 2,105,780,534.44/48,100.80
  6. Step 6: Final answer
    x = 43,778.49

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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.