Home / 50,530.78-69,732.45-27,871.24

Finding the Fourth Proportional to 50,530.78, 69,732.45 and 27,871.24

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Solution

The fourth proportional to 50,530.78, 69,732.45 and 27,871.24 is: 38,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,530.78 : 69,732.45 = 27,871.24 : x
  2. Step 2: Convert to fraction form
    50,530.78/69,732.45 = 27,871.24/x
  3. Step 3: Cross multiply
    50,530.78x = 69,732.45 × 27,871.24
  4. Step 4: Simplify right side
    50,530.78x = 1,943,529,849.74
  5. Step 5: Solve for x
    x = 1,943,529,849.74/50,530.78
  6. Step 6: Final answer
    x = 38,462.30

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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.