Home / 40,387.21-60,580.85-18,174.65

Finding the Fourth Proportional to 40,387.21, 60,580.85 and 18,174.65

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Solution

The fourth proportional to 40,387.21, 60,580.85 and 18,174.65 is: 27,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.21 : 60,580.85 = 18,174.65 : x
  2. Step 2: Convert to fraction form
    40,387.21/60,580.85 = 18,174.65/x
  3. Step 3: Cross multiply
    40,387.21x = 60,580.85 × 18,174.65
  4. Step 4: Simplify right side
    40,387.21x = 1,101,035,351.68
  5. Step 5: Solve for x
    x = 1,101,035,351.68/40,387.21
  6. Step 6: Final answer
    x = 27,261.98

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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.