Home / 45,224.18-67,839.51-11,943.91

Finding the Fourth Proportional to 45,224.18, 67,839.51 and 11,943.91

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Solution

The fourth proportional to 45,224.18, 67,839.51 and 11,943.91 is: 17,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,224.18 : 67,839.51 = 11,943.91 : x
  2. Step 2: Convert to fraction form
    45,224.18/67,839.51 = 11,943.91/x
  3. Step 3: Cross multiply
    45,224.18x = 67,839.51 × 11,943.91
  4. Step 4: Simplify right side
    45,224.18x = 810,269,001.88
  5. Step 5: Solve for x
    x = 810,269,001.88/45,224.18
  6. Step 6: Final answer
    x = 17,916.72

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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.