Home / 50,389.11-69,535.49-27,728.08

Finding the Fourth Proportional to 50,389.11, 69,535.49 and 27,728.08

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Solution

The fourth proportional to 50,389.11, 69,535.49 and 27,728.08 is: 38,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,389.11 : 69,535.49 = 27,728.08 : x
  2. Step 2: Convert to fraction form
    50,389.11/69,535.49 = 27,728.08/x
  3. Step 3: Cross multiply
    50,389.11x = 69,535.49 × 27,728.08
  4. Step 4: Simplify right side
    50,389.11x = 1,928,086,059.45
  5. Step 5: Solve for x
    x = 1,928,086,059.45/50,389.11
  6. Step 6: Final answer
    x = 38,263.95

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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.