Home / 39,815.75-54,946.14-22,819.62

Finding the Fourth Proportional to 39,815.75, 54,946.14 and 22,819.62

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Solution

The fourth proportional to 39,815.75, 54,946.14 and 22,819.62 is: 31,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.75 : 54,946.14 = 22,819.62 : x
  2. Step 2: Convert to fraction form
    39,815.75/54,946.14 = 22,819.62/x
  3. Step 3: Cross multiply
    39,815.75x = 54,946.14 × 22,819.62
  4. Step 4: Simplify right side
    39,815.75x = 1,253,850,035.27
  5. Step 5: Solve for x
    x = 1,253,850,035.27/39,815.75
  6. Step 6: Final answer
    x = 31,491.31

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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.