Home / 31,269.21-43,151.08-17,122.05

Finding the Fourth Proportional to 31,269.21, 43,151.08 and 17,122.05

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Solution

The fourth proportional to 31,269.21, 43,151.08 and 17,122.05 is: 23,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.21 : 43,151.08 = 17,122.05 : x
  2. Step 2: Convert to fraction form
    31,269.21/43,151.08 = 17,122.05/x
  3. Step 3: Cross multiply
    31,269.21x = 43,151.08 × 17,122.05
  4. Step 4: Simplify right side
    31,269.21x = 738,834,863.70
  5. Step 5: Solve for x
    x = 738,834,863.70/31,269.21
  6. Step 6: Final answer
    x = 23,628.19

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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.