Home / 20,558.43-30,837.69-4,976.10

Finding the Fourth Proportional to 20,558.43, 30,837.69 and 4,976.10

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Solution

The fourth proportional to 20,558.43, 30,837.69 and 4,976.10 is: 7,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.43 : 30,837.69 = 4,976.10 : x
  2. Step 2: Convert to fraction form
    20,558.43/30,837.69 = 4,976.10/x
  3. Step 3: Cross multiply
    20,558.43x = 30,837.69 × 4,976.10
  4. Step 4: Simplify right side
    20,558.43x = 153,451,429.21
  5. Step 5: Solve for x
    x = 153,451,429.21/20,558.43
  6. Step 6: Final answer
    x = 7,464.16

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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.