Home / 40,327.11-55,651.22-22,421.05

Finding the Fourth Proportional to 40,327.11, 55,651.22 and 22,421.05

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Solution

The fourth proportional to 40,327.11, 55,651.22 and 22,421.05 is: 30,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.11 : 55,651.22 = 22,421.05 : x
  2. Step 2: Convert to fraction form
    40,327.11/55,651.22 = 22,421.05/x
  3. Step 3: Cross multiply
    40,327.11x = 55,651.22 × 22,421.05
  4. Step 4: Simplify right side
    40,327.11x = 1,247,758,703.11
  5. Step 5: Solve for x
    x = 1,247,758,703.11/40,327.11
  6. Step 6: Final answer
    x = 30,940.94

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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.