Home / 35,645.08-49,191.96-20,540.12

Finding the Fourth Proportional to 35,645.08, 49,191.96 and 20,540.12

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Solution

The fourth proportional to 35,645.08, 49,191.96 and 20,540.12 is: 28,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.08 : 49,191.96 = 20,540.12 : x
  2. Step 2: Convert to fraction form
    35,645.08/49,191.96 = 20,540.12/x
  3. Step 3: Cross multiply
    35,645.08x = 49,191.96 × 20,540.12
  4. Step 4: Simplify right side
    35,645.08x = 1,010,408,761.44
  5. Step 5: Solve for x
    x = 1,010,408,761.44/35,645.08
  6. Step 6: Final answer
    x = 28,346.37

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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.