Home / 40,098.15-55,333.94-21,949.29

Finding the Fourth Proportional to 40,098.15, 55,333.94 and 21,949.29

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Solution

The fourth proportional to 40,098.15, 55,333.94 and 21,949.29 is: 30,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098.15 : 55,333.94 = 21,949.29 : x
  2. Step 2: Convert to fraction form
    40,098.15/55,333.94 = 21,949.29/x
  3. Step 3: Cross multiply
    40,098.15x = 55,333.94 × 21,949.29
  4. Step 4: Simplify right side
    40,098.15x = 1,214,540,586.16
  5. Step 5: Solve for x
    x = 1,214,540,586.16/40,098.15
  6. Step 6: Final answer
    x = 30,289.19

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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.