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Finding the Fourth Proportional to 40,522.57, 55,921.22 and 22,617.57

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Solution

The fourth proportional to 40,522.57, 55,921.22 and 22,617.57 is: 31,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,522.57 : 55,921.22 = 22,617.57 : x
  2. Step 2: Convert to fraction form
    40,522.57/55,921.22 = 22,617.57/x
  3. Step 3: Cross multiply
    40,522.57x = 55,921.22 × 22,617.57
  4. Step 4: Simplify right side
    40,522.57x = 1,264,802,107.84
  5. Step 5: Solve for x
    x = 1,264,802,107.84/40,522.57
  6. Step 6: Final answer
    x = 31,212.29

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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.