Home / 49,928.20-68,901.38-28,416.89

Finding the Fourth Proportional to 49,928.20, 68,901.38 and 28,416.89

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Solution

The fourth proportional to 49,928.20, 68,901.38 and 28,416.89 is: 39,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928.20 : 68,901.38 = 28,416.89 : x
  2. Step 2: Convert to fraction form
    49,928.20/68,901.38 = 28,416.89/x
  3. Step 3: Cross multiply
    49,928.20x = 68,901.38 × 28,416.89
  4. Step 4: Simplify right side
    49,928.20x = 1,957,962,685.47
  5. Step 5: Solve for x
    x = 1,957,962,685.47/49,928.20
  6. Step 6: Final answer
    x = 39,215.57

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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.