Home / 35,649.30-49,197.20-20,540.79

Finding the Fourth Proportional to 35,649.30, 49,197.20 and 20,540.79

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Solution

The fourth proportional to 35,649.30, 49,197.20 and 20,540.79 is: 28,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649.30 : 49,197.20 = 20,540.79 : x
  2. Step 2: Convert to fraction form
    35,649.30/49,197.20 = 20,540.79/x
  3. Step 3: Cross multiply
    35,649.30x = 49,197.20 × 20,540.79
  4. Step 4: Simplify right side
    35,649.30x = 1,010,549,251.08
  5. Step 5: Solve for x
    x = 1,010,549,251.08/35,649.30
  6. Step 6: Final answer
    x = 28,346.96

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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.