Home / 50,431.78-69,595.27-27,770.30

Finding the Fourth Proportional to 50,431.78, 69,595.27 and 27,770.30

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Solution

The fourth proportional to 50,431.78, 69,595.27 and 27,770.30 is: 38,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,431.78 : 69,595.27 = 27,770.30 : x
  2. Step 2: Convert to fraction form
    50,431.78/69,595.27 = 27,770.30/x
  3. Step 3: Cross multiply
    50,431.78x = 69,595.27 × 27,770.30
  4. Step 4: Simplify right side
    50,431.78x = 1,932,681,526.48
  5. Step 5: Solve for x
    x = 1,932,681,526.48/50,431.78
  6. Step 6: Final answer
    x = 38,322.69

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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.