Home / 40,110.56-55,286.32-30,157.28

Finding the Fourth Proportional to 40,110.56, 55,286.32 and 30,157.28

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Solution

The fourth proportional to 40,110.56, 55,286.32 and 30,157.28 is: 41,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.56 : 55,286.32 = 30,157.28 : x
  2. Step 2: Convert to fraction form
    40,110.56/55,286.32 = 30,157.28/x
  3. Step 3: Cross multiply
    40,110.56x = 55,286.32 × 30,157.28
  4. Step 4: Simplify right side
    40,110.56x = 1,667,285,032.41
  5. Step 5: Solve for x
    x = 1,667,285,032.41/40,110.56
  6. Step 6: Final answer
    x = 41,567.23

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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.