Home / 50,145.46-75,218.18-20,543.10

Finding the Fourth Proportional to 50,145.46, 75,218.18 and 20,543.10

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Solution

The fourth proportional to 50,145.46, 75,218.18 and 20,543.10 is: 30,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,145.46 : 75,218.18 = 20,543.10 : x
  2. Step 2: Convert to fraction form
    50,145.46/75,218.18 = 20,543.10/x
  3. Step 3: Cross multiply
    50,145.46x = 75,218.18 × 20,543.10
  4. Step 4: Simplify right side
    50,145.46x = 1,545,214,593.56
  5. Step 5: Solve for x
    x = 1,545,214,593.56/50,145.46
  6. Step 6: Final answer
    x = 30,814.65

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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.