Home / 39,226.11-54,158.10-30,135.28

Finding the Fourth Proportional to 39,226.11, 54,158.10 and 30,135.28

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Solution

The fourth proportional to 39,226.11, 54,158.10 and 30,135.28 is: 41,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.11 : 54,158.10 = 30,135.28 : x
  2. Step 2: Convert to fraction form
    39,226.11/54,158.10 = 30,135.28/x
  3. Step 3: Cross multiply
    39,226.11x = 54,158.10 × 30,135.28
  4. Step 4: Simplify right side
    39,226.11x = 1,632,069,372.37
  5. Step 5: Solve for x
    x = 1,632,069,372.37/39,226.11
  6. Step 6: Final answer
    x = 41,606.71

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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.