Home / 20,788.74-31,179.35-5,994.02

Finding the Fourth Proportional to 20,788.74, 31,179.35 and 5,994.02

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Solution

The fourth proportional to 20,788.74, 31,179.35 and 5,994.02 is: 8,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788.74 : 31,179.35 = 5,994.02 : x
  2. Step 2: Convert to fraction form
    20,788.74/31,179.35 = 5,994.02/x
  3. Step 3: Cross multiply
    20,788.74x = 31,179.35 × 5,994.02
  4. Step 4: Simplify right side
    20,788.74x = 186,889,740.42
  5. Step 5: Solve for x
    x = 186,889,740.42/20,788.74
  6. Step 6: Final answer
    x = 8,989.95

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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.