Home / 31,281.49-43,168.02-17,134.43

Finding the Fourth Proportional to 31,281.49, 43,168.02 and 17,134.43

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Solution

The fourth proportional to 31,281.49, 43,168.02 and 17,134.43 is: 23,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.49 : 43,168.02 = 17,134.43 : x
  2. Step 2: Convert to fraction form
    31,281.49/43,168.02 = 17,134.43/x
  3. Step 3: Cross multiply
    31,281.49x = 43,168.02 × 17,134.43
  4. Step 4: Simplify right side
    31,281.49x = 739,659,416.93
  5. Step 5: Solve for x
    x = 739,659,416.93/31,281.49
  6. Step 6: Final answer
    x = 23,645.28

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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.