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Finding the Fourth Proportional to 36,262.60, 54,392.53 and 9,966.66

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Solution

The fourth proportional to 36,262.60, 54,392.53 and 9,966.66 is: 14,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,262.60 : 54,392.53 = 9,966.66 : x
  2. Step 2: Convert to fraction form
    36,262.60/54,392.53 = 9,966.66/x
  3. Step 3: Cross multiply
    36,262.60x = 54,392.53 × 9,966.66
  4. Step 4: Simplify right side
    36,262.60x = 542,111,853.05
  5. Step 5: Solve for x
    x = 542,111,853.05/36,262.60
  6. Step 6: Final answer
    x = 14,949.61

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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.