Home / 31,193.20-43,046.10-17,045.72

Finding the Fourth Proportional to 31,193.20, 43,046.10 and 17,045.72

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Solution

The fourth proportional to 31,193.20, 43,046.10 and 17,045.72 is: 23,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,193.20 : 43,046.10 = 17,045.72 : x
  2. Step 2: Convert to fraction form
    31,193.20/43,046.10 = 17,045.72/x
  3. Step 3: Cross multiply
    31,193.20x = 43,046.10 × 17,045.72
  4. Step 4: Simplify right side
    31,193.20x = 733,751,767.69
  5. Step 5: Solve for x
    x = 733,751,767.69/31,193.20
  6. Step 6: Final answer
    x = 23,522.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.