Home / 73,584.62-110,378-20,994.12

Finding the Fourth Proportional to 73,584.62, 110,378 and 20,994.12

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Solution

The fourth proportional to 73,584.62, 110,378 and 20,994.12 is: 31,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,584.62 : 110,378 = 20,994.12 : x
  2. Step 2: Convert to fraction form
    73,584.62/110,378 = 20,994.12/x
  3. Step 3: Cross multiply
    73,584.62x = 110,378 × 20,994.12
  4. Step 4: Simplify right side
    73,584.62x = 2,317,288,977.36
  5. Step 5: Solve for x
    x = 2,317,288,977.36/73,584.62
  6. Step 6: Final answer
    x = 31,491.49

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Double scale
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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.