Home / 40,820.92-61,233.66-12,744.86

Finding the Fourth Proportional to 40,820.92, 61,233.66 and 12,744.86

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Solution

The fourth proportional to 40,820.92, 61,233.66 and 12,744.86 is: 19,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.92 : 61,233.66 = 12,744.86 : x
  2. Step 2: Convert to fraction form
    40,820.92/61,233.66 = 12,744.86/x
  3. Step 3: Cross multiply
    40,820.92x = 61,233.66 × 12,744.86
  4. Step 4: Simplify right side
    40,820.92x = 780,414,153.66
  5. Step 5: Solve for x
    x = 780,414,153.66/40,820.92
  6. Step 6: Final answer
    x = 19,117.99

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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.