Home / 48,747.49-73,126.04-20,278.60

Finding the Fourth Proportional to 48,747.49, 73,126.04 and 20,278.60

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Solution

The fourth proportional to 48,747.49, 73,126.04 and 20,278.60 is: 30,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,747.49 : 73,126.04 = 20,278.60 : x
  2. Step 2: Convert to fraction form
    48,747.49/73,126.04 = 20,278.60/x
  3. Step 3: Cross multiply
    48,747.49x = 73,126.04 × 20,278.60
  4. Step 4: Simplify right side
    48,747.49x = 1,482,893,613.35
  5. Step 5: Solve for x
    x = 1,482,893,613.35/48,747.49
  6. Step 6: Final answer
    x = 30,419.90

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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.