Home / 49,228.80-67,982.40-40,286.40

Finding the Fourth Proportional to 49,228.80, 67,982.40 and 40,286.40

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Solution

The fourth proportional to 49,228.80, 67,982.40 and 40,286.40 is: 55,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.80 : 67,982.40 = 40,286.40 : x
  2. Step 2: Convert to fraction form
    49,228.80/67,982.40 = 40,286.40/x
  3. Step 3: Cross multiply
    49,228.80x = 67,982.40 × 40,286.40
  4. Step 4: Simplify right side
    49,228.80x = 2,738,766,159.36
  5. Step 5: Solve for x
    x = 2,738,766,159.36/49,228.80
  6. Step 6: Final answer
    x = 55,633.41

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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.