Home / 36,488.64-54,732.96-28,180.78

Finding the Fourth Proportional to 36,488.64, 54,732.96 and 28,180.78

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Solution

The fourth proportional to 36,488.64, 54,732.96 and 28,180.78 is: 42,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.64 : 54,732.96 = 28,180.78 : x
  2. Step 2: Convert to fraction form
    36,488.64/54,732.96 = 28,180.78/x
  3. Step 3: Cross multiply
    36,488.64x = 54,732.96 × 28,180.78
  4. Step 4: Simplify right side
    36,488.64x = 1,542,417,367.68
  5. Step 5: Solve for x
    x = 1,542,417,367.68/36,488.64
  6. Step 6: Final answer
    x = 42,271.17

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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.