Home / 49,390.92-68,163.45-28,171.80

Finding the Fourth Proportional to 49,390.92, 68,163.45 and 28,171.80

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Solution

The fourth proportional to 49,390.92, 68,163.45 and 28,171.80 is: 38,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.92 : 68,163.45 = 28,171.80 : x
  2. Step 2: Convert to fraction form
    49,390.92/68,163.45 = 28,171.80/x
  3. Step 3: Cross multiply
    49,390.92x = 68,163.45 × 28,171.80
  4. Step 4: Simplify right side
    49,390.92x = 1,920,287,080.71
  5. Step 5: Solve for x
    x = 1,920,287,080.71/49,390.92
  6. Step 6: Final answer
    x = 38,879.35

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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.