Home / 40,138.59-60,220.04-15,186.30

Finding the Fourth Proportional to 40,138.59, 60,220.04 and 15,186.30

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Solution

The fourth proportional to 40,138.59, 60,220.04 and 15,186.30 is: 22,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.59 : 60,220.04 = 15,186.30 : x
  2. Step 2: Convert to fraction form
    40,138.59/60,220.04 = 15,186.30/x
  3. Step 3: Cross multiply
    40,138.59x = 60,220.04 × 15,186.30
  4. Step 4: Simplify right side
    40,138.59x = 914,519,593.45
  5. Step 5: Solve for x
    x = 914,519,593.45/40,138.59
  6. Step 6: Final answer
    x = 22,784.05

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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.