Home / 39,221.54-54,117.06-22,224.29

Finding the Fourth Proportional to 39,221.54, 54,117.06 and 22,224.29

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Solution

The fourth proportional to 39,221.54, 54,117.06 and 22,224.29 is: 30,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.54 : 54,117.06 = 22,224.29 : x
  2. Step 2: Convert to fraction form
    39,221.54/54,117.06 = 22,224.29/x
  3. Step 3: Cross multiply
    39,221.54x = 54,117.06 × 22,224.29
  4. Step 4: Simplify right side
    39,221.54x = 1,202,712,964.80
  5. Step 5: Solve for x
    x = 1,202,712,964.80/39,221.54
  6. Step 6: Final answer
    x = 30,664.61

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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.