Home / 40,325.21-55,650.08-22,420.97

Finding the Fourth Proportional to 40,325.21, 55,650.08 and 22,420.97

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Solution

The fourth proportional to 40,325.21, 55,650.08 and 22,420.97 is: 30,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.21 : 55,650.08 = 22,420.97 : x
  2. Step 2: Convert to fraction form
    40,325.21/55,650.08 = 22,420.97/x
  3. Step 3: Cross multiply
    40,325.21x = 55,650.08 × 22,420.97
  4. Step 4: Simplify right side
    40,325.21x = 1,247,728,662.07
  5. Step 5: Solve for x
    x = 1,247,728,662.07/40,325.21
  6. Step 6: Final answer
    x = 30,941.65

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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.