Home / 36,387.39-54,479.85-18,579.59

Finding the Fourth Proportional to 36,387.39, 54,479.85 and 18,579.59

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Solution

The fourth proportional to 36,387.39, 54,479.85 and 18,579.59 is: 27,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.39 : 54,479.85 = 18,579.59 : x
  2. Step 2: Convert to fraction form
    36,387.39/54,479.85 = 18,579.59/x
  3. Step 3: Cross multiply
    36,387.39x = 54,479.85 × 18,579.59
  4. Step 4: Simplify right side
    36,387.39x = 1,012,213,003.86
  5. Step 5: Solve for x
    x = 1,012,213,003.86/36,387.39
  6. Step 6: Final answer
    x = 27,817.69

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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.