Home / 45,414.88-68,133.26-14,250.13

Finding the Fourth Proportional to 45,414.88, 68,133.26 and 14,250.13

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Solution

The fourth proportional to 45,414.88, 68,133.26 and 14,250.13 is: 21,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414.88 : 68,133.26 = 14,250.13 : x
  2. Step 2: Convert to fraction form
    45,414.88/68,133.26 = 14,250.13/x
  3. Step 3: Cross multiply
    45,414.88x = 68,133.26 × 14,250.13
  4. Step 4: Simplify right side
    45,414.88x = 970,907,400.41
  5. Step 5: Solve for x
    x = 970,907,400.41/45,414.88
  6. Step 6: Final answer
    x = 21,378.62

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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.