Home / 40,431.60-55,788.96-22,522.56

Finding the Fourth Proportional to 40,431.60, 55,788.96 and 22,522.56

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Solution

The fourth proportional to 40,431.60, 55,788.96 and 22,522.56 is: 31,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.60 : 55,788.96 = 22,522.56 : x
  2. Step 2: Convert to fraction form
    40,431.60/55,788.96 = 22,522.56/x
  3. Step 3: Cross multiply
    40,431.60x = 55,788.96 × 22,522.56
  4. Step 4: Simplify right side
    40,431.60x = 1,256,510,198.94
  5. Step 5: Solve for x
    x = 1,256,510,198.94/40,431.60
  6. Step 6: Final answer
    x = 31,077.43

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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.