Home / 45,068.80-67,517.12-25,287.36

Finding the Fourth Proportional to 45,068.80, 67,517.12 and 25,287.36

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Solution

The fourth proportional to 45,068.80, 67,517.12 and 25,287.36 is: 37,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,068.80 : 67,517.12 = 25,287.36 : x
  2. Step 2: Convert to fraction form
    45,068.80/67,517.12 = 25,287.36/x
  3. Step 3: Cross multiply
    45,068.80x = 67,517.12 × 25,287.36
  4. Step 4: Simplify right side
    45,068.80x = 1,707,329,719.60
  5. Step 5: Solve for x
    x = 1,707,329,719.60/45,068.80
  6. Step 6: Final answer
    x = 37,882.74

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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.