Home / 39,154.08-54,028.96-22,159.88

Finding the Fourth Proportional to 39,154.08, 54,028.96 and 22,159.88

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Solution

The fourth proportional to 39,154.08, 54,028.96 and 22,159.88 is: 30,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154.08 : 54,028.96 = 22,159.88 : x
  2. Step 2: Convert to fraction form
    39,154.08/54,028.96 = 22,159.88/x
  3. Step 3: Cross multiply
    39,154.08x = 54,028.96 × 22,159.88
  4. Step 4: Simplify right side
    39,154.08x = 1,197,275,270.12
  5. Step 5: Solve for x
    x = 1,197,275,270.12/39,154.08
  6. Step 6: Final answer
    x = 30,578.56

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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.