Home / 55,202.25-76,179.12-30,051.75

Finding the Fourth Proportional to 55,202.25, 76,179.12 and 30,051.75

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Solution

The fourth proportional to 55,202.25, 76,179.12 and 30,051.75 is: 41,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,202.25 : 76,179.12 = 30,051.75 : x
  2. Step 2: Convert to fraction form
    55,202.25/76,179.12 = 30,051.75/x
  3. Step 3: Cross multiply
    55,202.25x = 76,179.12 × 30,051.75
  4. Step 4: Simplify right side
    55,202.25x = 2,289,315,869.46
  5. Step 5: Solve for x
    x = 2,289,315,869.46/55,202.25
  6. Step 6: Final answer
    x = 41,471.42

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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.