Home / 38,439.01-57,676.97-20,908.84

Finding the Fourth Proportional to 38,439.01, 57,676.97 and 20,908.84

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Solution

The fourth proportional to 38,439.01, 57,676.97 and 20,908.84 is: 31,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.01 : 57,676.97 = 20,908.84 : x
  2. Step 2: Convert to fraction form
    38,439.01/57,676.97 = 20,908.84/x
  3. Step 3: Cross multiply
    38,439.01x = 57,676.97 × 20,908.84
  4. Step 4: Simplify right side
    38,439.01x = 1,205,958,249.03
  5. Step 5: Solve for x
    x = 1,205,958,249.03/38,439.01
  6. Step 6: Final answer
    x = 31,373.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.