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Finding the Fourth Proportional to 36,260.88, 54,391.92 and 9,965.46

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Solution

The fourth proportional to 36,260.88, 54,391.92 and 9,965.46 is: 14,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,260.88 : 54,391.92 = 9,965.46 : x
  2. Step 2: Convert to fraction form
    36,260.88/54,391.92 = 9,965.46/x
  3. Step 3: Cross multiply
    36,260.88x = 54,391.92 × 9,965.46
  4. Step 4: Simplify right side
    36,260.88x = 542,040,503.08
  5. Step 5: Solve for x
    x = 542,040,503.08/36,260.88
  6. Step 6: Final answer
    x = 14,948.35

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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.