Home / 31,341.12-43,250.66-17,193.92

Finding the Fourth Proportional to 31,341.12, 43,250.66 and 17,193.92

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Solution

The fourth proportional to 31,341.12, 43,250.66 and 17,193.92 is: 23,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.12 : 43,250.66 = 17,193.92 : x
  2. Step 2: Convert to fraction form
    31,341.12/43,250.66 = 17,193.92/x
  3. Step 3: Cross multiply
    31,341.12x = 43,250.66 × 17,193.92
  4. Step 4: Simplify right side
    31,341.12x = 743,648,387.99
  5. Step 5: Solve for x
    x = 743,648,387.99/31,341.12
  6. Step 6: Final answer
    x = 23,727.56

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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.