Home / 55,086.54-76,019.40-29,936.04

Finding the Fourth Proportional to 55,086.54, 76,019.40 and 29,936.04

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Solution

The fourth proportional to 55,086.54, 76,019.40 and 29,936.04 is: 41,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.54 : 76,019.40 = 29,936.04 : x
  2. Step 2: Convert to fraction form
    55,086.54/76,019.40 = 29,936.04/x
  3. Step 3: Cross multiply
    55,086.54x = 76,019.40 × 29,936.04
  4. Step 4: Simplify right side
    55,086.54x = 2,275,719,799.18
  5. Step 5: Solve for x
    x = 2,275,719,799.18/55,086.54
  6. Step 6: Final answer
    x = 41,311.72

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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.