Home / 50,531.28-75,753.72-19,388.88

Finding the Fourth Proportional to 50,531.28, 75,753.72 and 19,388.88

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Solution

The fourth proportional to 50,531.28, 75,753.72 and 19,388.88 is: 29,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.28 : 75,753.72 = 19,388.88 : x
  2. Step 2: Convert to fraction form
    50,531.28/75,753.72 = 19,388.88/x
  3. Step 3: Cross multiply
    50,531.28x = 75,753.72 × 19,388.88
  4. Step 4: Simplify right side
    50,531.28x = 1,468,779,786.63
  5. Step 5: Solve for x
    x = 1,468,779,786.63/50,531.28
  6. Step 6: Final answer
    x = 29,066.74

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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.