Home / 40,458.10-55,832.34-22,310.86

Finding the Fourth Proportional to 40,458.10, 55,832.34 and 22,310.86

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Solution

The fourth proportional to 40,458.10, 55,832.34 and 22,310.86 is: 30,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.10 : 55,832.34 = 22,310.86 : x
  2. Step 2: Convert to fraction form
    40,458.10/55,832.34 = 22,310.86/x
  3. Step 3: Cross multiply
    40,458.10x = 55,832.34 × 22,310.86
  4. Step 4: Simplify right side
    40,458.10x = 1,245,667,521.21
  5. Step 5: Solve for x
    x = 1,245,667,521.21/40,458.10
  6. Step 6: Final answer
    x = 30,789.08

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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.