Home / 41,142.15-61,749.68-21,165.73

Finding the Fourth Proportional to 41,142.15, 61,749.68 and 21,165.73

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Solution

The fourth proportional to 41,142.15, 61,749.68 and 21,165.73 is: 31,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142.15 : 61,749.68 = 21,165.73 : x
  2. Step 2: Convert to fraction form
    41,142.15/61,749.68 = 21,165.73/x
  3. Step 3: Cross multiply
    41,142.15x = 61,749.68 × 21,165.73
  4. Step 4: Simplify right side
    41,142.15x = 1,306,976,794.26
  5. Step 5: Solve for x
    x = 1,306,976,794.26/41,142.15
  6. Step 6: Final answer
    x = 31,767.34

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1.5x scale

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.