Home / 67,440.33-101,174.81-20,055.53

Finding the Fourth Proportional to 67,440.33, 101,174.81 and 20,055.53

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Solution

The fourth proportional to 67,440.33, 101,174.81 and 20,055.53 is: 30,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.33 : 101,174.81 = 20,055.53 : x
  2. Step 2: Convert to fraction form
    67,440.33/101,174.81 = 20,055.53/x
  3. Step 3: Cross multiply
    67,440.33x = 101,174.81 × 20,055.53
  4. Step 4: Simplify right side
    67,440.33x = 2,029,114,589.86
  5. Step 5: Solve for x
    x = 2,029,114,589.86/67,440.33
  6. Step 6: Final answer
    x = 30,087.55

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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.