Home / 60,321.28-90,471.84-18,765.04

Finding the Fourth Proportional to 60,321.28, 90,471.84 and 18,765.04

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Solution

The fourth proportional to 60,321.28, 90,471.84 and 18,765.04 is: 28,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321.28 : 90,471.84 = 18,765.04 : x
  2. Step 2: Convert to fraction form
    60,321.28/90,471.84 = 18,765.04/x
  3. Step 3: Cross multiply
    60,321.28x = 90,471.84 × 18,765.04
  4. Step 4: Simplify right side
    60,321.28x = 1,697,707,696.47
  5. Step 5: Solve for x
    x = 1,697,707,696.47/60,321.28
  6. Step 6: Final answer
    x = 28,144.42

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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.