Home / 49,301.12-68,027.68-28,080.80

Finding the Fourth Proportional to 49,301.12, 68,027.68 and 28,080.80

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Solution

The fourth proportional to 49,301.12, 68,027.68 and 28,080.80 is: 38,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,301.12 : 68,027.68 = 28,080.80 : x
  2. Step 2: Convert to fraction form
    49,301.12/68,027.68 = 28,080.80/x
  3. Step 3: Cross multiply
    49,301.12x = 68,027.68 × 28,080.80
  4. Step 4: Simplify right side
    49,301.12x = 1,910,271,676.54
  5. Step 5: Solve for x
    x = 1,910,271,676.54/49,301.12
  6. Step 6: Final answer
    x = 38,747.02

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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.