Home / 39,177.75-54,065.30-22,410.75

Finding the Fourth Proportional to 39,177.75, 54,065.30 and 22,410.75

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Solution

The fourth proportional to 39,177.75, 54,065.30 and 22,410.75 is: 30,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.75 : 54,065.30 = 22,410.75 : x
  2. Step 2: Convert to fraction form
    39,177.75/54,065.30 = 22,410.75/x
  3. Step 3: Cross multiply
    39,177.75x = 54,065.30 × 22,410.75
  4. Step 4: Simplify right side
    39,177.75x = 1,211,643,809.92
  5. Step 5: Solve for x
    x = 1,211,643,809.92/39,177.75
  6. Step 6: Final answer
    x = 30,926.84

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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.