Home / 39,168.39-54,046.67-22,398.15

Finding the Fourth Proportional to 39,168.39, 54,046.67 and 22,398.15

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Solution

The fourth proportional to 39,168.39, 54,046.67 and 22,398.15 is: 30,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.39 : 54,046.67 = 22,398.15 : x
  2. Step 2: Convert to fraction form
    39,168.39/54,046.67 = 22,398.15/x
  3. Step 3: Cross multiply
    39,168.39x = 54,046.67 × 22,398.15
  4. Step 4: Simplify right side
    39,168.39x = 1,210,545,421.66
  5. Step 5: Solve for x
    x = 1,210,545,421.66/39,168.39
  6. Step 6: Final answer
    x = 30,906.18

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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.