Home / 41,021.28-61,531.98-11,439.12

Finding the Fourth Proportional to 41,021.28, 61,531.98 and 11,439.12

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Solution

The fourth proportional to 41,021.28, 61,531.98 and 11,439.12 is: 17,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,021.28 : 61,531.98 = 11,439.12 : x
  2. Step 2: Convert to fraction form
    41,021.28/61,531.98 = 11,439.12/x
  3. Step 3: Cross multiply
    41,021.28x = 61,531.98 × 11,439.12
  4. Step 4: Simplify right side
    41,021.28x = 703,871,703.06
  5. Step 5: Solve for x
    x = 703,871,703.06/41,021.28
  6. Step 6: Final answer
    x = 17,158.70

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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.