Home / 31,402.26-43,329-20,063.04

Finding the Fourth Proportional to 31,402.26, 43,329 and 20,063.04

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Solution

The fourth proportional to 31,402.26, 43,329 and 20,063.04 is: 27,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.26 : 43,329 = 20,063.04 : x
  2. Step 2: Convert to fraction form
    31,402.26/43,329 = 20,063.04/x
  3. Step 3: Cross multiply
    31,402.26x = 43,329 × 20,063.04
  4. Step 4: Simplify right side
    31,402.26x = 869,311,460.16
  5. Step 5: Solve for x
    x = 869,311,460.16/31,402.26
  6. Step 6: Final answer
    x = 27,683.09

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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.