Home / 36,121.32-54,169.74-11,158.02

Finding the Fourth Proportional to 36,121.32, 54,169.74 and 11,158.02

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Solution

The fourth proportional to 36,121.32, 54,169.74 and 11,158.02 is: 16,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.32 : 54,169.74 = 11,158.02 : x
  2. Step 2: Convert to fraction form
    36,121.32/54,169.74 = 11,158.02/x
  3. Step 3: Cross multiply
    36,121.32x = 54,169.74 × 11,158.02
  4. Step 4: Simplify right side
    36,121.32x = 604,427,042.31
  5. Step 5: Solve for x
    x = 604,427,042.31/36,121.32
  6. Step 6: Final answer
    x = 16,733.25

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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.