Home / 57,694.20-86,627.70-40,241.40

Finding the Fourth Proportional to 57,694.20, 86,627.70 and 40,241.40

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Solution

The fourth proportional to 57,694.20, 86,627.70 and 40,241.40 is: 60,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,694.20 : 86,627.70 = 40,241.40 : x
  2. Step 2: Convert to fraction form
    57,694.20/86,627.70 = 40,241.40/x
  3. Step 3: Cross multiply
    57,694.20x = 86,627.70 × 40,241.40
  4. Step 4: Simplify right side
    57,694.20x = 3,486,019,926.78
  5. Step 5: Solve for x
    x = 3,486,019,926.78/57,694.20
  6. Step 6: Final answer
    x = 60,422.36

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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.