Home / 80,004.24-120,032.28-38,454.48

Finding the Fourth Proportional to 80,004.24, 120,032.28 and 38,454.48

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Solution

The fourth proportional to 80,004.24, 120,032.28 and 38,454.48 is: 57,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,004.24 : 120,032.28 = 38,454.48 : x
  2. Step 2: Convert to fraction form
    80,004.24/120,032.28 = 38,454.48/x
  3. Step 3: Cross multiply
    80,004.24x = 120,032.28 × 38,454.48
  4. Step 4: Simplify right side
    80,004.24x = 4,615,778,910.61
  5. Step 5: Solve for x
    x = 4,615,778,910.61/80,004.24
  6. Step 6: Final answer
    x = 57,694.18

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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.