Home / 49,556.62-68,390.20-28,335.88

Finding the Fourth Proportional to 49,556.62, 68,390.20 and 28,335.88

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Solution

The fourth proportional to 49,556.62, 68,390.20 and 28,335.88 is: 39,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,556.62 : 68,390.20 = 28,335.88 : x
  2. Step 2: Convert to fraction form
    49,556.62/68,390.20 = 28,335.88/x
  3. Step 3: Cross multiply
    49,556.62x = 68,390.20 × 28,335.88
  4. Step 4: Simplify right side
    49,556.62x = 1,937,896,500.38
  5. Step 5: Solve for x
    x = 1,937,896,500.38/49,556.62
  6. Step 6: Final answer
    x = 39,104.69

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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.