Home / 40,129.83-60,180.53-11,660.85

Finding the Fourth Proportional to 40,129.83, 60,180.53 and 11,660.85

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Solution

The fourth proportional to 40,129.83, 60,180.53 and 11,660.85 is: 17,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.83 : 60,180.53 = 11,660.85 : x
  2. Step 2: Convert to fraction form
    40,129.83/60,180.53 = 11,660.85/x
  3. Step 3: Cross multiply
    40,129.83x = 60,180.53 × 11,660.85
  4. Step 4: Simplify right side
    40,129.83x = 701,756,074.95
  5. Step 5: Solve for x
    x = 701,756,074.95/40,129.83
  6. Step 6: Final answer
    x = 17,487.14

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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.