Home / 39,351.31-54,298.64-22,120.27

Finding the Fourth Proportional to 39,351.31, 54,298.64 and 22,120.27

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Solution

The fourth proportional to 39,351.31, 54,298.64 and 22,120.27 is: 30,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.31 : 54,298.64 = 22,120.27 : x
  2. Step 2: Convert to fraction form
    39,351.31/54,298.64 = 22,120.27/x
  3. Step 3: Cross multiply
    39,351.31x = 54,298.64 × 22,120.27
  4. Step 4: Simplify right side
    39,351.31x = 1,201,100,577.43
  5. Step 5: Solve for x
    x = 1,201,100,577.43/39,351.31
  6. Step 6: Final answer
    x = 30,522.51

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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.