Home / 43,277.60-64,906.38-13,689.92

Finding the Fourth Proportional to 43,277.60, 64,906.38 and 13,689.92

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Solution

The fourth proportional to 43,277.60, 64,906.38 and 13,689.92 is: 20,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.60 : 64,906.38 = 13,689.92 : x
  2. Step 2: Convert to fraction form
    43,277.60/64,906.38 = 13,689.92/x
  3. Step 3: Cross multiply
    43,277.60x = 64,906.38 × 13,689.92
  4. Step 4: Simplify right side
    43,277.60x = 888,563,311.96
  5. Step 5: Solve for x
    x = 888,563,311.96/43,277.60
  6. Step 6: Final answer
    x = 20,531.71

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1.5x scale

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.