Home / 39,394.60-54,362.38-22,396.50

Finding the Fourth Proportional to 39,394.60, 54,362.38 and 22,396.50

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Solution

The fourth proportional to 39,394.60, 54,362.38 and 22,396.50 is: 30,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.60 : 54,362.38 = 22,396.50 : x
  2. Step 2: Convert to fraction form
    39,394.60/54,362.38 = 22,396.50/x
  3. Step 3: Cross multiply
    39,394.60x = 54,362.38 × 22,396.50
  4. Step 4: Simplify right side
    39,394.60x = 1,217,527,043.67
  5. Step 5: Solve for x
    x = 1,217,527,043.67/39,394.60
  6. Step 6: Final answer
    x = 30,905.94

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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.