Home / 57,288.38-79,058.50-32,138.42

Finding the Fourth Proportional to 57,288.38, 79,058.50 and 32,138.42

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Solution

The fourth proportional to 57,288.38, 79,058.50 and 32,138.42 is: 44,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,288.38 : 79,058.50 = 32,138.42 : x
  2. Step 2: Convert to fraction form
    57,288.38/79,058.50 = 32,138.42/x
  3. Step 3: Cross multiply
    57,288.38x = 79,058.50 × 32,138.42
  4. Step 4: Simplify right side
    57,288.38x = 2,540,814,801.93
  5. Step 5: Solve for x
    x = 2,540,814,801.93/57,288.38
  6. Step 6: Final answer
    x = 44,351.32

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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.