Home / 40,134.08-55,385.13-22,229.37

Finding the Fourth Proportional to 40,134.08, 55,385.13 and 22,229.37

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Solution

The fourth proportional to 40,134.08, 55,385.13 and 22,229.37 is: 30,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.08 : 55,385.13 = 22,229.37 : x
  2. Step 2: Convert to fraction form
    40,134.08/55,385.13 = 22,229.37/x
  3. Step 3: Cross multiply
    40,134.08x = 55,385.13 × 22,229.37
  4. Step 4: Simplify right side
    40,134.08x = 1,231,176,630.63
  5. Step 5: Solve for x
    x = 1,231,176,630.63/40,134.08
  6. Step 6: Final answer
    x = 30,676.59

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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.