Home / 49,268.14-67,990.10-28,047.38

Finding the Fourth Proportional to 49,268.14, 67,990.10 and 28,047.38

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Solution

The fourth proportional to 49,268.14, 67,990.10 and 28,047.38 is: 38,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,268.14 : 67,990.10 = 28,047.38 : x
  2. Step 2: Convert to fraction form
    49,268.14/67,990.10 = 28,047.38/x
  3. Step 3: Cross multiply
    49,268.14x = 67,990.10 × 28,047.38
  4. Step 4: Simplify right side
    49,268.14x = 1,906,943,690.75
  5. Step 5: Solve for x
    x = 1,906,943,690.75/49,268.14
  6. Step 6: Final answer
    x = 38,705.41

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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.