Home / 31,254.63-43,131.79-17,107.17

Finding the Fourth Proportional to 31,254.63, 43,131.79 and 17,107.17

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Solution

The fourth proportional to 31,254.63, 43,131.79 and 17,107.17 is: 23,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.63 : 43,131.79 = 17,107.17 : x
  2. Step 2: Convert to fraction form
    31,254.63/43,131.79 = 17,107.17/x
  3. Step 3: Cross multiply
    31,254.63x = 43,131.79 × 17,107.17
  4. Step 4: Simplify right side
    31,254.63x = 737,862,863.93
  5. Step 5: Solve for x
    x = 737,862,863.93/31,254.63
  6. Step 6: Final answer
    x = 23,608.11

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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.