Home / 39,329.66-54,270.26-22,333.78

Finding the Fourth Proportional to 39,329.66, 54,270.26 and 22,333.78

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Solution

The fourth proportional to 39,329.66, 54,270.26 and 22,333.78 is: 30,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,329.66 : 54,270.26 = 22,333.78 : x
  2. Step 2: Convert to fraction form
    39,329.66/54,270.26 = 22,333.78/x
  3. Step 3: Cross multiply
    39,329.66x = 54,270.26 × 22,333.78
  4. Step 4: Simplify right side
    39,329.66x = 1,212,059,664.36
  5. Step 5: Solve for x
    x = 1,212,059,664.36/39,329.66
  6. Step 6: Final answer
    x = 30,817.95

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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.