Home / 43,120.92-64,671.66-11,958.60

Finding the Fourth Proportional to 43,120.92, 64,671.66 and 11,958.60

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Solution

The fourth proportional to 43,120.92, 64,671.66 and 11,958.60 is: 17,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,120.92 : 64,671.66 = 11,958.60 : x
  2. Step 2: Convert to fraction form
    43,120.92/64,671.66 = 11,958.60/x
  3. Step 3: Cross multiply
    43,120.92x = 64,671.66 × 11,958.60
  4. Step 4: Simplify right side
    43,120.92x = 773,382,513.28
  5. Step 5: Solve for x
    x = 773,382,513.28/43,120.92
  6. Step 6: Final answer
    x = 17,935.20

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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.