Home / 45,170.66-67,691.07-25,407.47

Finding the Fourth Proportional to 45,170.66, 67,691.07 and 25,407.47

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Solution

The fourth proportional to 45,170.66, 67,691.07 and 25,407.47 is: 38,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.66 : 67,691.07 = 25,407.47 : x
  2. Step 2: Convert to fraction form
    45,170.66/67,691.07 = 25,407.47/x
  3. Step 3: Cross multiply
    45,170.66x = 67,691.07 × 25,407.47
  4. Step 4: Simplify right side
    45,170.66x = 1,719,858,928.06
  5. Step 5: Solve for x
    x = 1,719,858,928.06/45,170.66
  6. Step 6: Final answer
    x = 38,074.69

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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.