Home / 41,121.34-61,637.10-21,102.82

Finding the Fourth Proportional to 41,121.34, 61,637.10 and 21,102.82

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Solution

The fourth proportional to 41,121.34, 61,637.10 and 21,102.82 is: 31,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.34 : 61,637.10 = 21,102.82 : x
  2. Step 2: Convert to fraction form
    41,121.34/61,637.10 = 21,102.82/x
  3. Step 3: Cross multiply
    41,121.34x = 61,637.10 × 21,102.82
  4. Step 4: Simplify right side
    41,121.34x = 1,300,716,626.62
  5. Step 5: Solve for x
    x = 1,300,716,626.62/41,121.34
  6. Step 6: Final answer
    x = 31,631.18

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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.