Home / 40,170.78-60,220.53-15,193.35

Finding the Fourth Proportional to 40,170.78, 60,220.53 and 15,193.35

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Solution

The fourth proportional to 40,170.78, 60,220.53 and 15,193.35 is: 22,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.78 : 60,220.53 = 15,193.35 : x
  2. Step 2: Convert to fraction form
    40,170.78/60,220.53 = 15,193.35/x
  3. Step 3: Cross multiply
    40,170.78x = 60,220.53 × 15,193.35
  4. Step 4: Simplify right side
    40,170.78x = 914,951,589.48
  5. Step 5: Solve for x
    x = 914,951,589.48/40,170.78
  6. Step 6: Final answer
    x = 22,776.55

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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.