Home / 36,132.72-54,231.66-21,355.08

Finding the Fourth Proportional to 36,132.72, 54,231.66 and 21,355.08

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Solution

The fourth proportional to 36,132.72, 54,231.66 and 21,355.08 is: 32,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,132.72 : 54,231.66 = 21,355.08 : x
  2. Step 2: Convert to fraction form
    36,132.72/54,231.66 = 21,355.08/x
  3. Step 3: Cross multiply
    36,132.72x = 54,231.66 × 21,355.08
  4. Step 4: Simplify right side
    36,132.72x = 1,158,121,437.83
  5. Step 5: Solve for x
    x = 1,158,121,437.83/36,132.72
  6. Step 6: Final answer
    x = 32,051.88

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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.