Home / 45,334.80-68,002.20-38,117.70

Finding the Fourth Proportional to 45,334.80, 68,002.20 and 38,117.70

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Solution

The fourth proportional to 45,334.80, 68,002.20 and 38,117.70 is: 57,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334.80 : 68,002.20 = 38,117.70 : x
  2. Step 2: Convert to fraction form
    45,334.80/68,002.20 = 38,117.70/x
  3. Step 3: Cross multiply
    45,334.80x = 68,002.20 × 38,117.70
  4. Step 4: Simplify right side
    45,334.80x = 2,592,087,458.94
  5. Step 5: Solve for x
    x = 2,592,087,458.94/45,334.80
  6. Step 6: Final answer
    x = 57,176.55

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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.