Home / 49,736.74-68,624.88-28,221.70

Finding the Fourth Proportional to 49,736.74, 68,624.88 and 28,221.70

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Solution

The fourth proportional to 49,736.74, 68,624.88 and 28,221.70 is: 38,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736.74 : 68,624.88 = 28,221.70 : x
  2. Step 2: Convert to fraction form
    49,736.74/68,624.88 = 28,221.70/x
  3. Step 3: Cross multiply
    49,736.74x = 68,624.88 × 28,221.70
  4. Step 4: Simplify right side
    49,736.74x = 1,936,710,775.90
  5. Step 5: Solve for x
    x = 1,936,710,775.90/49,736.74
  6. Step 6: Final answer
    x = 38,939.24

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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.