Home / 39,658.96-54,728.40-25,511.77

Finding the Fourth Proportional to 39,658.96, 54,728.40 and 25,511.77

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Solution

The fourth proportional to 39,658.96, 54,728.40 and 25,511.77 is: 35,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.96 : 54,728.40 = 25,511.77 : x
  2. Step 2: Convert to fraction form
    39,658.96/54,728.40 = 25,511.77/x
  3. Step 3: Cross multiply
    39,658.96x = 54,728.40 × 25,511.77
  4. Step 4: Simplify right side
    39,658.96x = 1,396,218,353.27
  5. Step 5: Solve for x
    x = 1,396,218,353.27/39,658.96
  6. Step 6: Final answer
    x = 35,205.62

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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.