Home / 43,097.11-64,645.68-13,517.32

Finding the Fourth Proportional to 43,097.11, 64,645.68 and 13,517.32

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Solution

The fourth proportional to 43,097.11, 64,645.68 and 13,517.32 is: 20,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,097.11 : 64,645.68 = 13,517.32 : x
  2. Step 2: Convert to fraction form
    43,097.11/64,645.68 = 13,517.32/x
  3. Step 3: Cross multiply
    43,097.11x = 64,645.68 × 13,517.32
  4. Step 4: Simplify right side
    43,097.11x = 873,836,343.18
  5. Step 5: Solve for x
    x = 873,836,343.18/43,097.11
  6. Step 6: Final answer
    x = 20,275.98

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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.