Home / 39,226.22-54,133.24-21,322.43

Finding the Fourth Proportional to 39,226.22, 54,133.24 and 21,322.43

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Solution

The fourth proportional to 39,226.22, 54,133.24 and 21,322.43 is: 29,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.22 : 54,133.24 = 21,322.43 : x
  2. Step 2: Convert to fraction form
    39,226.22/54,133.24 = 21,322.43/x
  3. Step 3: Cross multiply
    39,226.22x = 54,133.24 × 21,322.43
  4. Step 4: Simplify right side
    39,226.22x = 1,154,252,302.60
  5. Step 5: Solve for x
    x = 1,154,252,302.60/39,226.22
  6. Step 6: Final answer
    x = 29,425.53

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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.