Home / 50,456.33-75,684.50-20,841.62

Finding the Fourth Proportional to 50,456.33, 75,684.50 and 20,841.62

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Solution

The fourth proportional to 50,456.33, 75,684.50 and 20,841.62 is: 31,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.33 : 75,684.50 = 20,841.62 : x
  2. Step 2: Convert to fraction form
    50,456.33/75,684.50 = 20,841.62/x
  3. Step 3: Cross multiply
    50,456.33x = 75,684.50 × 20,841.62
  4. Step 4: Simplify right side
    50,456.33x = 1,577,387,184.42
  5. Step 5: Solve for x
    x = 1,577,387,184.42/50,456.33
  6. Step 6: Final answer
    x = 31,262.42

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Double scale
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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.