Home / 40,163.56-55,426.71-22,258.78

Finding the Fourth Proportional to 40,163.56, 55,426.71 and 22,258.78

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Solution

The fourth proportional to 40,163.56, 55,426.71 and 22,258.78 is: 30,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.56 : 55,426.71 = 22,258.78 : x
  2. Step 2: Convert to fraction form
    40,163.56/55,426.71 = 22,258.78/x
  3. Step 3: Cross multiply
    40,163.56x = 55,426.71 × 22,258.78
  4. Step 4: Simplify right side
    40,163.56x = 1,233,730,944.01
  5. Step 5: Solve for x
    x = 1,233,730,944.01/40,163.56
  6. Step 6: Final answer
    x = 30,717.67

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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.