Home / 20,173.87-30,179.40-18,073.14

Finding the Fourth Proportional to 20,173.87, 30,179.40 and 18,073.14

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Solution

The fourth proportional to 20,173.87, 30,179.40 and 18,073.14 is: 27,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.87 : 30,179.40 = 18,073.14 : x
  2. Step 2: Convert to fraction form
    20,173.87/30,179.40 = 18,073.14/x
  3. Step 3: Cross multiply
    20,173.87x = 30,179.40 × 18,073.14
  4. Step 4: Simplify right side
    20,173.87x = 545,436,521.32
  5. Step 5: Solve for x
    x = 545,436,521.32/20,173.87
  6. Step 6: Final answer
    x = 27,036.78

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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.