Home / 40,068.55-55,293.22-22,163.50

Finding the Fourth Proportional to 40,068.55, 55,293.22 and 22,163.50

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Solution

The fourth proportional to 40,068.55, 55,293.22 and 22,163.50 is: 30,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,068.55 : 55,293.22 = 22,163.50 : x
  2. Step 2: Convert to fraction form
    40,068.55/55,293.22 = 22,163.50/x
  3. Step 3: Cross multiply
    40,068.55x = 55,293.22 × 22,163.50
  4. Step 4: Simplify right side
    40,068.55x = 1,225,491,281.47
  5. Step 5: Solve for x
    x = 1,225,491,281.47/40,068.55
  6. Step 6: Final answer
    x = 30,584.87

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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.