Home / 40,186.18-60,281.78-10,604.05

Finding the Fourth Proportional to 40,186.18, 60,281.78 and 10,604.05

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Solution

The fourth proportional to 40,186.18, 60,281.78 and 10,604.05 is: 15,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.18 : 60,281.78 = 10,604.05 : x
  2. Step 2: Convert to fraction form
    40,186.18/60,281.78 = 10,604.05/x
  3. Step 3: Cross multiply
    40,186.18x = 60,281.78 × 10,604.05
  4. Step 4: Simplify right side
    40,186.18x = 639,230,845.25
  5. Step 5: Solve for x
    x = 639,230,845.25/40,186.18
  6. Step 6: Final answer
    x = 15,906.73

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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.