Home / 36,150.04-54,234.41-21,169.81

Finding the Fourth Proportional to 36,150.04, 54,234.41 and 21,169.81

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Solution

The fourth proportional to 36,150.04, 54,234.41 and 21,169.81 is: 31,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.04 : 54,234.41 = 21,169.81 : x
  2. Step 2: Convert to fraction form
    36,150.04/54,234.41 = 21,169.81/x
  3. Step 3: Cross multiply
    36,150.04x = 54,234.41 × 21,169.81
  4. Step 4: Simplify right side
    36,150.04x = 1,148,132,155.16
  5. Step 5: Solve for x
    x = 1,148,132,155.16/36,150.04
  6. Step 6: Final answer
    x = 31,760.19

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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.