Home / 40,299.88-55,615.18-22,395.64

Finding the Fourth Proportional to 40,299.88, 55,615.18 and 22,395.64

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Solution

The fourth proportional to 40,299.88, 55,615.18 and 22,395.64 is: 30,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.88 : 55,615.18 = 22,395.64 : x
  2. Step 2: Convert to fraction form
    40,299.88/55,615.18 = 22,395.64/x
  3. Step 3: Cross multiply
    40,299.88x = 55,615.18 × 22,395.64
  4. Step 4: Simplify right side
    40,299.88x = 1,245,537,564.05
  5. Step 5: Solve for x
    x = 1,245,537,564.05/40,299.88
  6. Step 6: Final answer
    x = 30,906.73

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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.