Home / 38,819.57-58,229.36-30,991.73

Finding the Fourth Proportional to 38,819.57, 58,229.36 and 30,991.73

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Solution

The fourth proportional to 38,819.57, 58,229.36 and 30,991.73 is: 46,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.57 : 58,229.36 = 30,991.73 : x
  2. Step 2: Convert to fraction form
    38,819.57/58,229.36 = 30,991.73/x
  3. Step 3: Cross multiply
    38,819.57x = 58,229.36 × 30,991.73
  4. Step 4: Simplify right side
    38,819.57x = 1,804,628,603.19
  5. Step 5: Solve for x
    x = 1,804,628,603.19/38,819.57
  6. Step 6: Final answer
    x = 46,487.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.