Home / 40,163.20-55,424.48-22,258.16

Finding the Fourth Proportional to 40,163.20, 55,424.48 and 22,258.16

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Solution

The fourth proportional to 40,163.20, 55,424.48 and 22,258.16 is: 30,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.20 : 55,424.48 = 22,258.16 : x
  2. Step 2: Convert to fraction form
    40,163.20/55,424.48 = 22,258.16/x
  3. Step 3: Cross multiply
    40,163.20x = 55,424.48 × 22,258.16
  4. Step 4: Simplify right side
    40,163.20x = 1,233,646,943.76
  5. Step 5: Solve for x
    x = 1,233,646,943.76/40,163.20
  6. Step 6: Final answer
    x = 30,715.85

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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.