Home / 49,505.76-68,293.80-28,279.44

Finding the Fourth Proportional to 49,505.76, 68,293.80 and 28,279.44

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Solution

The fourth proportional to 49,505.76, 68,293.80 and 28,279.44 is: 39,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,505.76 : 68,293.80 = 28,279.44 : x
  2. Step 2: Convert to fraction form
    49,505.76/68,293.80 = 28,279.44/x
  3. Step 3: Cross multiply
    49,505.76x = 68,293.80 × 28,279.44
  4. Step 4: Simplify right side
    49,505.76x = 1,931,310,419.47
  5. Step 5: Solve for x
    x = 1,931,310,419.47/49,505.76
  6. Step 6: Final answer
    x = 39,011.83

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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.