Home / 50,438.72-69,604.78-27,777.28

Finding the Fourth Proportional to 50,438.72, 69,604.78 and 27,777.28

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Solution

The fourth proportional to 50,438.72, 69,604.78 and 27,777.28 is: 38,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,438.72 : 69,604.78 = 27,777.28 : x
  2. Step 2: Convert to fraction form
    50,438.72/69,604.78 = 27,777.28/x
  3. Step 3: Cross multiply
    50,438.72x = 69,604.78 × 27,777.28
  4. Step 4: Simplify right side
    50,438.72x = 1,933,431,463.40
  5. Step 5: Solve for x
    x = 1,933,431,463.40/50,438.72
  6. Step 6: Final answer
    x = 38,332.29

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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.