Home / 55,722.60-76,896.72-30,228.92

Finding the Fourth Proportional to 55,722.60, 76,896.72 and 30,228.92

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Solution

The fourth proportional to 55,722.60, 76,896.72 and 30,228.92 is: 41,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.60 : 76,896.72 = 30,228.92 : x
  2. Step 2: Convert to fraction form
    55,722.60/76,896.72 = 30,228.92/x
  3. Step 3: Cross multiply
    55,722.60x = 76,896.72 × 30,228.92
  4. Step 4: Simplify right side
    55,722.60x = 2,324,504,797.14
  5. Step 5: Solve for x
    x = 2,324,504,797.14/55,722.60
  6. Step 6: Final answer
    x = 41,715.66

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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.