Home / 40,645.67-60,979.46-16,945.34

Finding the Fourth Proportional to 40,645.67, 60,979.46 and 16,945.34

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Solution

The fourth proportional to 40,645.67, 60,979.46 and 16,945.34 is: 25,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.67 : 60,979.46 = 16,945.34 : x
  2. Step 2: Convert to fraction form
    40,645.67/60,979.46 = 16,945.34/x
  3. Step 3: Cross multiply
    40,645.67x = 60,979.46 × 16,945.34
  4. Step 4: Simplify right side
    40,645.67x = 1,033,317,293.09
  5. Step 5: Solve for x
    x = 1,033,317,293.09/40,645.67
  6. Step 6: Final answer
    x = 25,422.57

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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.