Home / 39,105.84-53,968.92-22,338.48

Finding the Fourth Proportional to 39,105.84, 53,968.92 and 22,338.48

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Solution

The fourth proportional to 39,105.84, 53,968.92 and 22,338.48 is: 30,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.84 : 53,968.92 = 22,338.48 : x
  2. Step 2: Convert to fraction form
    39,105.84/53,968.92 = 22,338.48/x
  3. Step 3: Cross multiply
    39,105.84x = 53,968.92 × 22,338.48
  4. Step 4: Simplify right side
    39,105.84x = 1,205,583,640.04
  5. Step 5: Solve for x
    x = 1,205,583,640.04/39,105.84
  6. Step 6: Final answer
    x = 30,828.74

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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.