Home / 40,493.90-60,740.42-13,839.64

Finding the Fourth Proportional to 40,493.90, 60,740.42 and 13,839.64

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Solution

The fourth proportional to 40,493.90, 60,740.42 and 13,839.64 is: 20,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,493.90 : 60,740.42 = 13,839.64 : x
  2. Step 2: Convert to fraction form
    40,493.90/60,740.42 = 13,839.64/x
  3. Step 3: Cross multiply
    40,493.90x = 60,740.42 × 13,839.64
  4. Step 4: Simplify right side
    40,493.90x = 840,625,325.20
  5. Step 5: Solve for x
    x = 840,625,325.20/40,493.90
  6. Step 6: Final answer
    x = 20,759.31

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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.