Home / 49,379.28-68,143.95-28,159.80

Finding the Fourth Proportional to 49,379.28, 68,143.95 and 28,159.80

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Solution

The fourth proportional to 49,379.28, 68,143.95 and 28,159.80 is: 38,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379.28 : 68,143.95 = 28,159.80 : x
  2. Step 2: Convert to fraction form
    49,379.28/68,143.95 = 28,159.80/x
  3. Step 3: Cross multiply
    49,379.28x = 68,143.95 × 28,159.80
  4. Step 4: Simplify right side
    49,379.28x = 1,918,920,003.21
  5. Step 5: Solve for x
    x = 1,918,920,003.21/49,379.28
  6. Step 6: Final answer
    x = 38,860.83

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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.