Home / 41,115.32-61,674.45-21,119.42

Finding the Fourth Proportional to 41,115.32, 61,674.45 and 21,119.42

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Solution

The fourth proportional to 41,115.32, 61,674.45 and 21,119.42 is: 31,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,115.32 : 61,674.45 = 21,119.42 : x
  2. Step 2: Convert to fraction form
    41,115.32/61,674.45 = 21,119.42/x
  3. Step 3: Cross multiply
    41,115.32x = 61,674.45 × 21,119.42
  4. Step 4: Simplify right side
    41,115.32x = 1,302,528,304.45
  5. Step 5: Solve for x
    x = 1,302,528,304.45/41,115.32
  6. Step 6: Final answer
    x = 31,679.88

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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.