Home / 39,873.57-55,023.39-22,874.30

Finding the Fourth Proportional to 39,873.57, 55,023.39 and 22,874.30

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Solution

The fourth proportional to 39,873.57, 55,023.39 and 22,874.30 is: 31,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.57 : 55,023.39 = 22,874.30 : x
  2. Step 2: Convert to fraction form
    39,873.57/55,023.39 = 22,874.30/x
  3. Step 3: Cross multiply
    39,873.57x = 55,023.39 × 22,874.30
  4. Step 4: Simplify right side
    39,873.57x = 1,258,621,529.88
  5. Step 5: Solve for x
    x = 1,258,621,529.88/39,873.57
  6. Step 6: Final answer
    x = 31,565.31

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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.