Home / 50,172.80-75,253.92-20,593.76

Finding the Fourth Proportional to 50,172.80, 75,253.92 and 20,593.76

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Solution

The fourth proportional to 50,172.80, 75,253.92 and 20,593.76 is: 30,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,172.80 : 75,253.92 = 20,593.76 : x
  2. Step 2: Convert to fraction form
    50,172.80/75,253.92 = 20,593.76/x
  3. Step 3: Cross multiply
    50,172.80x = 75,253.92 × 20,593.76
  4. Step 4: Simplify right side
    50,172.80x = 1,549,761,167.54
  5. Step 5: Solve for x
    x = 1,549,761,167.54/50,172.80
  6. Step 6: Final answer
    x = 30,888.47

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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.