Home / 40,121.63-55,367.17-22,216.25

Finding the Fourth Proportional to 40,121.63, 55,367.17 and 22,216.25

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Solution

The fourth proportional to 40,121.63, 55,367.17 and 22,216.25 is: 30,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.63 : 55,367.17 = 22,216.25 : x
  2. Step 2: Convert to fraction form
    40,121.63/55,367.17 = 22,216.25/x
  3. Step 3: Cross multiply
    40,121.63x = 55,367.17 × 22,216.25
  4. Step 4: Simplify right side
    40,121.63x = 1,230,050,938.55
  5. Step 5: Solve for x
    x = 1,230,050,938.55/40,121.63
  6. Step 6: Final answer
    x = 30,658.05

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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.