Home / 39,151.72-54,028.10-21,924.10

Finding the Fourth Proportional to 39,151.72, 54,028.10 and 21,924.10

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Solution

The fourth proportional to 39,151.72, 54,028.10 and 21,924.10 is: 30,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.72 : 54,028.10 = 21,924.10 : x
  2. Step 2: Convert to fraction form
    39,151.72/54,028.10 = 21,924.10/x
  3. Step 3: Cross multiply
    39,151.72x = 54,028.10 × 21,924.10
  4. Step 4: Simplify right side
    39,151.72x = 1,184,517,467.21
  5. Step 5: Solve for x
    x = 1,184,517,467.21/39,151.72
  6. Step 6: Final answer
    x = 30,254.54

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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.