Home / 31,204.31-43,061.96-17,057.15

Finding the Fourth Proportional to 31,204.31, 43,061.96 and 17,057.15

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Solution

The fourth proportional to 31,204.31, 43,061.96 and 17,057.15 is: 23,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.31 : 43,061.96 = 17,057.15 : x
  2. Step 2: Convert to fraction form
    31,204.31/43,061.96 = 17,057.15/x
  3. Step 3: Cross multiply
    31,204.31x = 43,061.96 × 17,057.15
  4. Step 4: Simplify right side
    31,204.31x = 734,514,299.83
  5. Step 5: Solve for x
    x = 734,514,299.83/31,204.31
  6. Step 6: Final answer
    x = 23,538.88

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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.