Home / 43,098.23-64,638-13,512.17

Finding the Fourth Proportional to 43,098.23, 64,638 and 13,512.17

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Solution

The fourth proportional to 43,098.23, 64,638 and 13,512.17 is: 20,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098.23 : 64,638 = 13,512.17 : x
  2. Step 2: Convert to fraction form
    43,098.23/64,638 = 13,512.17/x
  3. Step 3: Cross multiply
    43,098.23x = 64,638 × 13,512.17
  4. Step 4: Simplify right side
    43,098.23x = 873,399,806.06
  5. Step 5: Solve for x
    x = 873,399,806.06/43,098.23
  6. Step 6: Final answer
    x = 20,265.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.