Home / 38,819.46-58,171.47-20,074.47

Finding the Fourth Proportional to 38,819.46, 58,171.47 and 20,074.47

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Solution

The fourth proportional to 38,819.46, 58,171.47 and 20,074.47 is: 30,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.46 : 58,171.47 = 20,074.47 : x
  2. Step 2: Convert to fraction form
    38,819.46/58,171.47 = 20,074.47/x
  3. Step 3: Cross multiply
    38,819.46x = 58,171.47 × 20,074.47
  4. Step 4: Simplify right side
    38,819.46x = 1,167,761,429.37
  5. Step 5: Solve for x
    x = 1,167,761,429.37/38,819.46
  6. Step 6: Final answer
    x = 30,081.86

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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.