Home / 50,379.39-75,569.09-15,319.15

Finding the Fourth Proportional to 50,379.39, 75,569.09 and 15,319.15

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Solution

The fourth proportional to 50,379.39, 75,569.09 and 15,319.15 is: 22,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.39 : 75,569.09 = 15,319.15 : x
  2. Step 2: Convert to fraction form
    50,379.39/75,569.09 = 15,319.15/x
  3. Step 3: Cross multiply
    50,379.39x = 75,569.09 × 15,319.15
  4. Step 4: Simplify right side
    50,379.39x = 1,157,653,959.56
  5. Step 5: Solve for x
    x = 1,157,653,959.56/50,379.39
  6. Step 6: Final answer
    x = 22,978.72

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Similar ratio
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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.