Home / 40,341.42-60,512.12-12,261.70

Finding the Fourth Proportional to 40,341.42, 60,512.12 and 12,261.70

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Solution

The fourth proportional to 40,341.42, 60,512.12 and 12,261.70 is: 18,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,341.42 : 60,512.12 = 12,261.70 : x
  2. Step 2: Convert to fraction form
    40,341.42/60,512.12 = 12,261.70/x
  3. Step 3: Cross multiply
    40,341.42x = 60,512.12 × 12,261.70
  4. Step 4: Simplify right side
    40,341.42x = 741,981,461.80
  5. Step 5: Solve for x
    x = 741,981,461.80/40,341.42
  6. Step 6: Final answer
    x = 18,392.55

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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.