Home / 49,286.20-68,011.76-28,065.28

Finding the Fourth Proportional to 49,286.20, 68,011.76 and 28,065.28

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Solution

The fourth proportional to 49,286.20, 68,011.76 and 28,065.28 is: 38,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,286.20 : 68,011.76 = 28,065.28 : x
  2. Step 2: Convert to fraction form
    49,286.20/68,011.76 = 28,065.28/x
  3. Step 3: Cross multiply
    49,286.20x = 68,011.76 × 28,065.28
  4. Step 4: Simplify right side
    49,286.20x = 1,908,769,087.69
  5. Step 5: Solve for x
    x = 1,908,769,087.69/49,286.20
  6. Step 6: Final answer
    x = 38,728.27

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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.