Home / 45,391.82-68,087.76-14,229.50

Finding the Fourth Proportional to 45,391.82, 68,087.76 and 14,229.50

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Solution

The fourth proportional to 45,391.82, 68,087.76 and 14,229.50 is: 21,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.82 : 68,087.76 = 14,229.50 : x
  2. Step 2: Convert to fraction form
    45,391.82/68,087.76 = 14,229.50/x
  3. Step 3: Cross multiply
    45,391.82x = 68,087.76 × 14,229.50
  4. Step 4: Simplify right side
    45,391.82x = 968,854,780.92
  5. Step 5: Solve for x
    x = 968,854,780.92/45,391.82
  6. Step 6: Final answer
    x = 21,344.26

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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.