Home / 36,245.57-50,018.97-21,148.61

Finding the Fourth Proportional to 36,245.57, 50,018.97 and 21,148.61

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Solution

The fourth proportional to 36,245.57, 50,018.97 and 21,148.61 is: 29,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.57 : 50,018.97 = 21,148.61 : x
  2. Step 2: Convert to fraction form
    36,245.57/50,018.97 = 21,148.61/x
  3. Step 3: Cross multiply
    36,245.57x = 50,018.97 × 21,148.61
  4. Step 4: Simplify right side
    36,245.57x = 1,057,831,689.13
  5. Step 5: Solve for x
    x = 1,057,831,689.13/36,245.57
  6. Step 6: Final answer
    x = 29,185.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.