Home / 31,257.11-43,135.47-17,109.96

Finding the Fourth Proportional to 31,257.11, 43,135.47 and 17,109.96

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Solution

The fourth proportional to 31,257.11, 43,135.47 and 17,109.96 is: 23,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.11 : 43,135.47 = 17,109.96 : x
  2. Step 2: Convert to fraction form
    31,257.11/43,135.47 = 17,109.96/x
  3. Step 3: Cross multiply
    31,257.11x = 43,135.47 × 17,109.96
  4. Step 4: Simplify right side
    31,257.11x = 738,046,166.28
  5. Step 5: Solve for x
    x = 738,046,166.28/31,257.11
  6. Step 6: Final answer
    x = 23,612.11

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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.