Home / 20,087.58-30,132.79-5,296.38

Finding the Fourth Proportional to 20,087.58, 30,132.79 and 5,296.38

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Solution

The fourth proportional to 20,087.58, 30,132.79 and 5,296.38 is: 7,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.58 : 30,132.79 = 5,296.38 : x
  2. Step 2: Convert to fraction form
    20,087.58/30,132.79 = 5,296.38/x
  3. Step 3: Cross multiply
    20,087.58x = 30,132.79 × 5,296.38
  4. Step 4: Simplify right side
    20,087.58x = 159,594,706.30
  5. Step 5: Solve for x
    x = 159,594,706.30/20,087.58
  6. Step 6: Final answer
    x = 7,944.94

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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.