Home / 31,863.08-47,654.76-28,377.56

Finding the Fourth Proportional to 31,863.08, 47,654.76 and 28,377.56

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Solution

The fourth proportional to 31,863.08, 47,654.76 and 28,377.56 is: 42,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.08 : 47,654.76 = 28,377.56 : x
  2. Step 2: Convert to fraction form
    31,863.08/47,654.76 = 28,377.56/x
  3. Step 3: Cross multiply
    31,863.08x = 47,654.76 × 28,377.56
  4. Step 4: Simplify right side
    31,863.08x = 1,352,325,811.19
  5. Step 5: Solve for x
    x = 1,352,325,811.19/31,863.08
  6. Step 6: Final answer
    x = 42,441.78

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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.