Home / 50,631.50-69,871.19-27,972.05

Finding the Fourth Proportional to 50,631.50, 69,871.19 and 27,972.05

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Solution

The fourth proportional to 50,631.50, 69,871.19 and 27,972.05 is: 38,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,631.50 : 69,871.19 = 27,972.05 : x
  2. Step 2: Convert to fraction form
    50,631.50/69,871.19 = 27,972.05/x
  3. Step 3: Cross multiply
    50,631.50x = 69,871.19 × 27,972.05
  4. Step 4: Simplify right side
    50,631.50x = 1,954,439,931.02
  5. Step 5: Solve for x
    x = 1,954,439,931.02/50,631.50
  6. Step 6: Final answer
    x = 38,601.27

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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.