Home / 45,223.55-67,838.57-11,943.29

Finding the Fourth Proportional to 45,223.55, 67,838.57 and 11,943.29

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Solution

The fourth proportional to 45,223.55, 67,838.57 and 11,943.29 is: 17,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,223.55 : 67,838.57 = 11,943.29 : x
  2. Step 2: Convert to fraction form
    45,223.55/67,838.57 = 11,943.29/x
  3. Step 3: Cross multiply
    45,223.55x = 67,838.57 × 11,943.29
  4. Step 4: Simplify right side
    45,223.55x = 810,215,360.57
  5. Step 5: Solve for x
    x = 810,215,360.57/45,223.55
  6. Step 6: Final answer
    x = 17,915.78

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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.