Home / 50,642.21-69,882.85-27,980.96

Finding the Fourth Proportional to 50,642.21, 69,882.85 and 27,980.96

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Solution

The fourth proportional to 50,642.21, 69,882.85 and 27,980.96 is: 38,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.21 : 69,882.85 = 27,980.96 : x
  2. Step 2: Convert to fraction form
    50,642.21/69,882.85 = 27,980.96/x
  3. Step 3: Cross multiply
    50,642.21x = 69,882.85 × 27,980.96
  4. Step 4: Simplify right side
    50,642.21x = 1,955,389,014.37
  5. Step 5: Solve for x
    x = 1,955,389,014.37/50,642.21
  6. Step 6: Final answer
    x = 38,611.84

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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.