Home / 39,160.78-54,041.74-22,164.56

Finding the Fourth Proportional to 39,160.78, 54,041.74 and 22,164.56

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Solution

The fourth proportional to 39,160.78, 54,041.74 and 22,164.56 is: 30,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.78 : 54,041.74 = 22,164.56 : x
  2. Step 2: Convert to fraction form
    39,160.78/54,041.74 = 22,164.56/x
  3. Step 3: Cross multiply
    39,160.78x = 54,041.74 × 22,164.56
  4. Step 4: Simplify right side
    39,160.78x = 1,197,811,388.73
  5. Step 5: Solve for x
    x = 1,197,811,388.73/39,160.78
  6. Step 6: Final answer
    x = 30,587.02

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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.