Home / 66,268.28-99,387.50-18,882.41

Finding the Fourth Proportional to 66,268.28, 99,387.50 and 18,882.41

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Solution

The fourth proportional to 66,268.28, 99,387.50 and 18,882.41 is: 28,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268.28 : 99,387.50 = 18,882.41 : x
  2. Step 2: Convert to fraction form
    66,268.28/99,387.50 = 18,882.41/x
  3. Step 3: Cross multiply
    66,268.28x = 99,387.50 × 18,882.41
  4. Step 4: Simplify right side
    66,268.28x = 1,876,674,932.53
  5. Step 5: Solve for x
    x = 1,876,674,932.53/66,268.28
  6. Step 6: Final answer
    x = 28,319.36

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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.