Home / 64,397.20-96,601.95-20,012.04

Finding the Fourth Proportional to 64,397.20, 96,601.95 and 20,012.04

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Solution

The fourth proportional to 64,397.20, 96,601.95 and 20,012.04 is: 30,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,397.20 : 96,601.95 = 20,012.04 : x
  2. Step 2: Convert to fraction form
    64,397.20/96,601.95 = 20,012.04/x
  3. Step 3: Cross multiply
    64,397.20x = 96,601.95 × 20,012.04
  4. Step 4: Simplify right side
    64,397.20x = 1,933,202,087.48
  5. Step 5: Solve for x
    x = 1,933,202,087.48/64,397.20
  6. Step 6: Final answer
    x = 30,019.97

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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.