Home / 36,447.62-54,661.61-15,387.80

Finding the Fourth Proportional to 36,447.62, 54,661.61 and 15,387.80

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Solution

The fourth proportional to 36,447.62, 54,661.61 and 15,387.80 is: 23,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447.62 : 54,661.61 = 15,387.80 : x
  2. Step 2: Convert to fraction form
    36,447.62/54,661.61 = 15,387.80/x
  3. Step 3: Cross multiply
    36,447.62x = 54,661.61 × 15,387.80
  4. Step 4: Simplify right side
    36,447.62x = 841,121,687.52
  5. Step 5: Solve for x
    x = 841,121,687.52/36,447.62
  6. Step 6: Final answer
    x = 23,077.55

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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.