Home / 39,812.98-54,942.33-22,816.84

Finding the Fourth Proportional to 39,812.98, 54,942.33 and 22,816.84

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Solution

The fourth proportional to 39,812.98, 54,942.33 and 22,816.84 is: 31,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.98 : 54,942.33 = 22,816.84 : x
  2. Step 2: Convert to fraction form
    39,812.98/54,942.33 = 22,816.84/x
  3. Step 3: Cross multiply
    39,812.98x = 54,942.33 × 22,816.84
  4. Step 4: Simplify right side
    39,812.98x = 1,253,610,352.84
  5. Step 5: Solve for x
    x = 1,253,610,352.84/39,812.98
  6. Step 6: Final answer
    x = 31,487.48

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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.