Home / 39,216.54-54,106.88-22,218.06

Finding the Fourth Proportional to 39,216.54, 54,106.88 and 22,218.06

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Solution

The fourth proportional to 39,216.54, 54,106.88 and 22,218.06 is: 30,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.54 : 54,106.88 = 22,218.06 : x
  2. Step 2: Convert to fraction form
    39,216.54/54,106.88 = 22,218.06/x
  3. Step 3: Cross multiply
    39,216.54x = 54,106.88 × 22,218.06
  4. Step 4: Simplify right side
    39,216.54x = 1,202,149,795.16
  5. Step 5: Solve for x
    x = 1,202,149,795.16/39,216.54
  6. Step 6: Final answer
    x = 30,654.15

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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.