Home / 50,530.80-75,747.60-39,279.90

Finding the Fourth Proportional to 50,530.80, 75,747.60 and 39,279.90

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Solution

The fourth proportional to 50,530.80, 75,747.60 and 39,279.90 is: 58,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,530.80 : 75,747.60 = 39,279.90 : x
  2. Step 2: Convert to fraction form
    50,530.80/75,747.60 = 39,279.90/x
  3. Step 3: Cross multiply
    50,530.80x = 75,747.60 × 39,279.90
  4. Step 4: Simplify right side
    50,530.80x = 2,975,358,153.24
  5. Step 5: Solve for x
    x = 2,975,358,153.24/50,530.80
  6. Step 6: Final answer
    x = 58,882.07

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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.