Home / 50,674.05-69,931.79-28,013.76

Finding the Fourth Proportional to 50,674.05, 69,931.79 and 28,013.76

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Solution

The fourth proportional to 50,674.05, 69,931.79 and 28,013.76 is: 38,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,674.05 : 69,931.79 = 28,013.76 : x
  2. Step 2: Convert to fraction form
    50,674.05/69,931.79 = 28,013.76/x
  3. Step 3: Cross multiply
    50,674.05x = 69,931.79 × 28,013.76
  4. Step 4: Simplify right side
    50,674.05x = 1,959,052,241.36
  5. Step 5: Solve for x
    x = 1,959,052,241.36/50,674.05
  6. Step 6: Final answer
    x = 38,659.87

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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.