Home / 36,180.51-54,278.55-11,220.05

Finding the Fourth Proportional to 36,180.51, 54,278.55 and 11,220.05

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Solution

The fourth proportional to 36,180.51, 54,278.55 and 11,220.05 is: 16,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180.51 : 54,278.55 = 11,220.05 : x
  2. Step 2: Convert to fraction form
    36,180.51/54,278.55 = 11,220.05/x
  3. Step 3: Cross multiply
    36,180.51x = 54,278.55 × 11,220.05
  4. Step 4: Simplify right side
    36,180.51x = 609,007,773.53
  5. Step 5: Solve for x
    x = 609,007,773.53/36,180.51
  6. Step 6: Final answer
    x = 16,832.48

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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.