Home / 57,046.80-85,581.54-28,982.64

Finding the Fourth Proportional to 57,046.80, 85,581.54 and 28,982.64

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Solution

The fourth proportional to 57,046.80, 85,581.54 and 28,982.64 is: 43,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.80 : 85,581.54 = 28,982.64 : x
  2. Step 2: Convert to fraction form
    57,046.80/85,581.54 = 28,982.64/x
  3. Step 3: Cross multiply
    57,046.80x = 85,581.54 × 28,982.64
  4. Step 4: Simplify right side
    57,046.80x = 2,480,378,964.47
  5. Step 5: Solve for x
    x = 2,480,378,964.47/57,046.80
  6. Step 6: Final answer
    x = 43,479.72

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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.