Home / 45,224.30-67,839.71-11,944.04

Finding the Fourth Proportional to 45,224.30, 67,839.71 and 11,944.04

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Solution

The fourth proportional to 45,224.30, 67,839.71 and 11,944.04 is: 17,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,224.30 : 67,839.71 = 11,944.04 : x
  2. Step 2: Convert to fraction form
    45,224.30/67,839.71 = 11,944.04/x
  3. Step 3: Cross multiply
    45,224.30x = 67,839.71 × 11,944.04
  4. Step 4: Simplify right side
    45,224.30x = 810,279,810.91
  5. Step 5: Solve for x
    x = 810,279,810.91/45,224.30
  6. Step 6: Final answer
    x = 17,916.91

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1.5x scale

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.