Home / 39,021.72-53,836.68-22,023.96

Finding the Fourth Proportional to 39,021.72, 53,836.68 and 22,023.96

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Solution

The fourth proportional to 39,021.72, 53,836.68 and 22,023.96 is: 30,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.72 : 53,836.68 = 22,023.96 : x
  2. Step 2: Convert to fraction form
    39,021.72/53,836.68 = 22,023.96/x
  3. Step 3: Cross multiply
    39,021.72x = 53,836.68 × 22,023.96
  4. Step 4: Simplify right side
    39,021.72x = 1,185,696,886.85
  5. Step 5: Solve for x
    x = 1,185,696,886.85/39,021.72
  6. Step 6: Final answer
    x = 30,385.56

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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.