Home / 50,387.29-75,531.61-18,774.16

Finding the Fourth Proportional to 50,387.29, 75,531.61 and 18,774.16

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Solution

The fourth proportional to 50,387.29, 75,531.61 and 18,774.16 is: 28,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,387.29 : 75,531.61 = 18,774.16 : x
  2. Step 2: Convert to fraction form
    50,387.29/75,531.61 = 18,774.16/x
  3. Step 3: Cross multiply
    50,387.29x = 75,531.61 × 18,774.16
  4. Step 4: Simplify right side
    50,387.29x = 1,418,042,531.20
  5. Step 5: Solve for x
    x = 1,418,042,531.20/50,387.29
  6. Step 6: Final answer
    x = 28,142.86

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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.