Home / 31,489.14-43,454.79-17,341.89

Finding the Fourth Proportional to 31,489.14, 43,454.79 and 17,341.89

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Solution

The fourth proportional to 31,489.14, 43,454.79 and 17,341.89 is: 23,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.14 : 43,454.79 = 17,341.89 : x
  2. Step 2: Convert to fraction form
    31,489.14/43,454.79 = 17,341.89/x
  3. Step 3: Cross multiply
    31,489.14x = 43,454.79 × 17,341.89
  4. Step 4: Simplify right side
    31,489.14x = 753,588,188.15
  5. Step 5: Solve for x
    x = 753,588,188.15/31,489.14
  6. Step 6: Final answer
    x = 23,931.69

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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.