Home / 40,138.58-60,174.99-15,164.43

Finding the Fourth Proportional to 40,138.58, 60,174.99 and 15,164.43

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Solution

The fourth proportional to 40,138.58, 60,174.99 and 15,164.43 is: 22,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.58 : 60,174.99 = 15,164.43 : x
  2. Step 2: Convert to fraction form
    40,138.58/60,174.99 = 15,164.43/x
  3. Step 3: Cross multiply
    40,138.58x = 60,174.99 × 15,164.43
  4. Step 4: Simplify right side
    40,138.58x = 912,519,423.61
  5. Step 5: Solve for x
    x = 912,519,423.61/40,138.58
  6. Step 6: Final answer
    x = 22,734.23

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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.