Home / 43,689.92-65,548.64-15,609.35

Finding the Fourth Proportional to 43,689.92, 65,548.64 and 15,609.35

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Solution

The fourth proportional to 43,689.92, 65,548.64 and 15,609.35 is: 23,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.92 : 65,548.64 = 15,609.35 : x
  2. Step 2: Convert to fraction form
    43,689.92/65,548.64 = 15,609.35/x
  3. Step 3: Cross multiply
    43,689.92x = 65,548.64 × 15,609.35
  4. Step 4: Simplify right side
    43,689.92x = 1,023,171,820.59
  5. Step 5: Solve for x
    x = 1,023,171,820.59/43,689.92
  6. Step 6: Final answer
    x = 23,418.95

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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.