Home / 38,919.37-53,705.69-21,922.87

Finding the Fourth Proportional to 38,919.37, 53,705.69 and 21,922.87

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Solution

The fourth proportional to 38,919.37, 53,705.69 and 21,922.87 is: 30,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.37 : 53,705.69 = 21,922.87 : x
  2. Step 2: Convert to fraction form
    38,919.37/53,705.69 = 21,922.87/x
  3. Step 3: Cross multiply
    38,919.37x = 53,705.69 × 21,922.87
  4. Step 4: Simplify right side
    38,919.37x = 1,177,382,750.52
  5. Step 5: Solve for x
    x = 1,177,382,750.52/38,919.37
  6. Step 6: Final answer
    x = 30,251.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.