Home / 40,027.56-55,238.72-22,122.71

Finding the Fourth Proportional to 40,027.56, 55,238.72 and 22,122.71

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Solution

The fourth proportional to 40,027.56, 55,238.72 and 22,122.71 is: 30,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027.56 : 55,238.72 = 22,122.71 : x
  2. Step 2: Convert to fraction form
    40,027.56/55,238.72 = 22,122.71/x
  3. Step 3: Cross multiply
    40,027.56x = 55,238.72 × 22,122.71
  4. Step 4: Simplify right side
    40,027.56x = 1,222,030,183.33
  5. Step 5: Solve for x
    x = 1,222,030,183.33/40,027.56
  6. Step 6: Final answer
    x = 30,529.72

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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.