Home / 31,269.11-43,150.95-17,121.96

Finding the Fourth Proportional to 31,269.11, 43,150.95 and 17,121.96

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Solution

The fourth proportional to 31,269.11, 43,150.95 and 17,121.96 is: 23,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.11 : 43,150.95 = 17,121.96 : x
  2. Step 2: Convert to fraction form
    31,269.11/43,150.95 = 17,121.96/x
  3. Step 3: Cross multiply
    31,269.11x = 43,150.95 × 17,121.96
  4. Step 4: Simplify right side
    31,269.11x = 738,828,839.86
  5. Step 5: Solve for x
    x = 738,828,839.86/31,269.11
  6. Step 6: Final answer
    x = 23,628.08

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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.