Home / 20,094.87-30,138.84-5,303.91

Finding the Fourth Proportional to 20,094.87, 30,138.84 and 5,303.91

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Solution

The fourth proportional to 20,094.87, 30,138.84 and 5,303.91 is: 7,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.87 : 30,138.84 = 5,303.91 : x
  2. Step 2: Convert to fraction form
    20,094.87/30,138.84 = 5,303.91/x
  3. Step 3: Cross multiply
    20,094.87x = 30,138.84 × 5,303.91
  4. Step 4: Simplify right side
    20,094.87x = 159,853,694.86
  5. Step 5: Solve for x
    x = 159,853,694.86/20,094.87
  6. Step 6: Final answer
    x = 7,954.95

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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.