Home / 43,806.27-65,719.17-12,641.52

Finding the Fourth Proportional to 43,806.27, 65,719.17 and 12,641.52

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Solution

The fourth proportional to 43,806.27, 65,719.17 and 12,641.52 is: 18,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,806.27 : 65,719.17 = 12,641.52 : x
  2. Step 2: Convert to fraction form
    43,806.27/65,719.17 = 12,641.52/x
  3. Step 3: Cross multiply
    43,806.27x = 65,719.17 × 12,641.52
  4. Step 4: Simplify right side
    43,806.27x = 830,790,201.94
  5. Step 5: Solve for x
    x = 830,790,201.94/43,806.27
  6. Step 6: Final answer
    x = 18,965.10

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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.