Home / 40,481.13-60,719.34-15,520.17

Finding the Fourth Proportional to 40,481.13, 60,719.34 and 15,520.17

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Solution

The fourth proportional to 40,481.13, 60,719.34 and 15,520.17 is: 23,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,481.13 : 60,719.34 = 15,520.17 : x
  2. Step 2: Convert to fraction form
    40,481.13/60,719.34 = 15,520.17/x
  3. Step 3: Cross multiply
    40,481.13x = 60,719.34 × 15,520.17
  4. Step 4: Simplify right side
    40,481.13x = 942,374,479.09
  5. Step 5: Solve for x
    x = 942,374,479.09/40,481.13
  6. Step 6: Final answer
    x = 23,279.35

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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.