Home / 20,453.91-30,677.44-5,664.32

Finding the Fourth Proportional to 20,453.91, 30,677.44 and 5,664.32

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Solution

The fourth proportional to 20,453.91, 30,677.44 and 5,664.32 is: 8,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.91 : 30,677.44 = 5,664.32 : x
  2. Step 2: Convert to fraction form
    20,453.91/30,677.44 = 5,664.32/x
  3. Step 3: Cross multiply
    20,453.91x = 30,677.44 × 5,664.32
  4. Step 4: Simplify right side
    20,453.91x = 173,766,836.94
  5. Step 5: Solve for x
    x = 173,766,836.94/20,453.91
  6. Step 6: Final answer
    x = 8,495.53

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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.