Home / 45,008.35-67,470.79-15,419.15

Finding the Fourth Proportional to 45,008.35, 67,470.79 and 15,419.15

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Solution

The fourth proportional to 45,008.35, 67,470.79 and 15,419.15 is: 23,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.35 : 67,470.79 = 15,419.15 : x
  2. Step 2: Convert to fraction form
    45,008.35/67,470.79 = 15,419.15/x
  3. Step 3: Cross multiply
    45,008.35x = 67,470.79 × 15,419.15
  4. Step 4: Simplify right side
    45,008.35x = 1,040,342,154.53
  5. Step 5: Solve for x
    x = 1,040,342,154.53/45,008.35
  6. Step 6: Final answer
    x = 23,114.43

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1.5x scale

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.