Home / 31,254.80-43,131.93-17,107.95

Finding the Fourth Proportional to 31,254.80, 43,131.93 and 17,107.95

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Solution

The fourth proportional to 31,254.80, 43,131.93 and 17,107.95 is: 23,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.80 : 43,131.93 = 17,107.95 : x
  2. Step 2: Convert to fraction form
    31,254.80/43,131.93 = 17,107.95/x
  3. Step 3: Cross multiply
    31,254.80x = 43,131.93 × 17,107.95
  4. Step 4: Simplify right side
    31,254.80x = 737,898,901.84
  5. Step 5: Solve for x
    x = 737,898,901.84/31,254.80
  6. Step 6: Final answer
    x = 23,609.14

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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.