Home / 36,081.60-54,122.64-12,708.48

Finding the Fourth Proportional to 36,081.60, 54,122.64 and 12,708.48

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Solution

The fourth proportional to 36,081.60, 54,122.64 and 12,708.48 is: 19,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.60 : 54,122.64 = 12,708.48 : x
  2. Step 2: Convert to fraction form
    36,081.60/54,122.64 = 12,708.48/x
  3. Step 3: Cross multiply
    36,081.60x = 54,122.64 × 12,708.48
  4. Step 4: Simplify right side
    36,081.60x = 687,816,487.99
  5. Step 5: Solve for x
    x = 687,816,487.99/36,081.60
  6. Step 6: Final answer
    x = 19,062.80

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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.