Home / 39,225.75-54,132.75-22,458.75

Finding the Fourth Proportional to 39,225.75, 54,132.75 and 22,458.75

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Solution

The fourth proportional to 39,225.75, 54,132.75 and 22,458.75 is: 30,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.75 : 54,132.75 = 22,458.75 : x
  2. Step 2: Convert to fraction form
    39,225.75/54,132.75 = 22,458.75/x
  3. Step 3: Cross multiply
    39,225.75x = 54,132.75 × 22,458.75
  4. Step 4: Simplify right side
    39,225.75x = 1,215,753,899.06
  5. Step 5: Solve for x
    x = 1,215,753,899.06/39,225.75
  6. Step 6: Final answer
    x = 30,993.77

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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.