Home / 43,520.57-65,174.00-21,262.19

Finding the Fourth Proportional to 43,520.57, 65,174.00 and 21,262.19

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Solution

The fourth proportional to 43,520.57, 65,174.00 and 21,262.19 is: 31,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,520.57 : 65,174.00 = 21,262.19 : x
  2. Step 2: Convert to fraction form
    43,520.57/65,174.00 = 21,262.19/x
  3. Step 3: Cross multiply
    43,520.57x = 65,174.00 × 21,262.19
  4. Step 4: Simplify right side
    43,520.57x = 1,385,741,864.75
  5. Step 5: Solve for x
    x = 1,385,741,864.75/43,520.57
  6. Step 6: Final answer
    x = 31,841.08

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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.