Home / 39,179.96-54,083.78-26,440.69

Finding the Fourth Proportional to 39,179.96, 54,083.78 and 26,440.69

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Solution

The fourth proportional to 39,179.96, 54,083.78 and 26,440.69 is: 36,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.96 : 54,083.78 = 26,440.69 : x
  2. Step 2: Convert to fraction form
    39,179.96/54,083.78 = 26,440.69/x
  3. Step 3: Cross multiply
    39,179.96x = 54,083.78 × 26,440.69
  4. Step 4: Simplify right side
    39,179.96x = 1,430,012,391.90
  5. Step 5: Solve for x
    x = 1,430,012,391.90/39,179.96
  6. Step 6: Final answer
    x = 36,498.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.