Home / 55,122.75-76,069.40-29,972.25

Finding the Fourth Proportional to 55,122.75, 76,069.40 and 29,972.25

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Solution

The fourth proportional to 55,122.75, 76,069.40 and 29,972.25 is: 41,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.75 : 76,069.40 = 29,972.25 : x
  2. Step 2: Convert to fraction form
    55,122.75/76,069.40 = 29,972.25/x
  3. Step 3: Cross multiply
    55,122.75x = 76,069.40 × 29,972.25
  4. Step 4: Simplify right side
    55,122.75x = 2,279,970,924.29
  5. Step 5: Solve for x
    x = 2,279,970,924.29/55,122.75
  6. Step 6: Final answer
    x = 41,361.71

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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.