Home / 20,442.06-30,664.71-5,652.27

Finding the Fourth Proportional to 20,442.06, 30,664.71 and 5,652.27

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Solution

The fourth proportional to 20,442.06, 30,664.71 and 5,652.27 is: 8,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.06 : 30,664.71 = 5,652.27 : x
  2. Step 2: Convert to fraction form
    20,442.06/30,664.71 = 5,652.27/x
  3. Step 3: Cross multiply
    20,442.06x = 30,664.71 × 5,652.27
  4. Step 4: Simplify right side
    20,442.06x = 173,325,220.39
  5. Step 5: Solve for x
    x = 173,325,220.39/20,442.06
  6. Step 6: Final answer
    x = 8,478.85

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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.