Home / 50,679.74-69,945-29,169.05

Finding the Fourth Proportional to 50,679.74, 69,945 and 29,169.05

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Solution

The fourth proportional to 50,679.74, 69,945 and 29,169.05 is: 40,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.74 : 69,945 = 29,169.05 : x
  2. Step 2: Convert to fraction form
    50,679.74/69,945 = 29,169.05/x
  3. Step 3: Cross multiply
    50,679.74x = 69,945 × 29,169.05
  4. Step 4: Simplify right side
    50,679.74x = 2,040,228,852.53
  5. Step 5: Solve for x
    x = 2,040,228,852.53/50,679.74
  6. Step 6: Final answer
    x = 40,257.29

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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.