Home / 36,236.16-54,355.32-20,442.24

Finding the Fourth Proportional to 36,236.16, 54,355.32 and 20,442.24

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Solution

The fourth proportional to 36,236.16, 54,355.32 and 20,442.24 is: 30,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,236.16 : 54,355.32 = 20,442.24 : x
  2. Step 2: Convert to fraction form
    36,236.16/54,355.32 = 20,442.24/x
  3. Step 3: Cross multiply
    36,236.16x = 54,355.32 × 20,442.24
  4. Step 4: Simplify right side
    36,236.16x = 1,111,144,496.72
  5. Step 5: Solve for x
    x = 1,111,144,496.72/36,236.16
  6. Step 6: Final answer
    x = 30,663.97

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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.