Home / 40,110.82-60,121.12-15,133.91

Finding the Fourth Proportional to 40,110.82, 60,121.12 and 15,133.91

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Solution

The fourth proportional to 40,110.82, 60,121.12 and 15,133.91 is: 22,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.82 : 60,121.12 = 15,133.91 : x
  2. Step 2: Convert to fraction form
    40,110.82/60,121.12 = 15,133.91/x
  3. Step 3: Cross multiply
    40,110.82x = 60,121.12 × 15,133.91
  4. Step 4: Simplify right side
    40,110.82x = 909,867,731.65
  5. Step 5: Solve for x
    x = 909,867,731.65/40,110.82
  6. Step 6: Final answer
    x = 22,683.85

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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.