Home / 50,647.38-69,889.80-27,986.13

Finding the Fourth Proportional to 50,647.38, 69,889.80 and 27,986.13

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Solution

The fourth proportional to 50,647.38, 69,889.80 and 27,986.13 is: 38,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.38 : 69,889.80 = 27,986.13 : x
  2. Step 2: Convert to fraction form
    50,647.38/69,889.80 = 27,986.13/x
  3. Step 3: Cross multiply
    50,647.38x = 69,889.80 × 27,986.13
  4. Step 4: Simplify right side
    50,647.38x = 1,955,945,028.47
  5. Step 5: Solve for x
    x = 1,955,945,028.47/50,647.38
  6. Step 6: Final answer
    x = 38,618.88

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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.