Home / 65,979.36-99,007.92-26,540.46

Finding the Fourth Proportional to 65,979.36, 99,007.92 and 26,540.46

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Solution

The fourth proportional to 65,979.36, 99,007.92 and 26,540.46 is: 39,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,979.36 : 99,007.92 = 26,540.46 : x
  2. Step 2: Convert to fraction form
    65,979.36/99,007.92 = 26,540.46/x
  3. Step 3: Cross multiply
    65,979.36x = 99,007.92 × 26,540.46
  4. Step 4: Simplify right side
    65,979.36x = 2,627,715,740.44
  5. Step 5: Solve for x
    x = 2,627,715,740.44/65,979.36
  6. Step 6: Final answer
    x = 39,826.33

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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.