Home / 47,078.20-70,609.50-15,488.65

Finding the Fourth Proportional to 47,078.20, 70,609.50 and 15,488.65

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Solution

The fourth proportional to 47,078.20, 70,609.50 and 15,488.65 is: 23,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.20 : 70,609.50 = 15,488.65 : x
  2. Step 2: Convert to fraction form
    47,078.20/70,609.50 = 15,488.65/x
  3. Step 3: Cross multiply
    47,078.20x = 70,609.50 × 15,488.65
  4. Step 4: Simplify right side
    47,078.20x = 1,093,645,801.44
  5. Step 5: Solve for x
    x = 1,093,645,801.44/47,078.20
  6. Step 6: Final answer
    x = 23,230.41

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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.