Home / 40,431.68-55,790.88-22,522.56

Finding the Fourth Proportional to 40,431.68, 55,790.88 and 22,522.56

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Solution

The fourth proportional to 40,431.68, 55,790.88 and 22,522.56 is: 31,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.68 : 55,790.88 = 22,522.56 : x
  2. Step 2: Convert to fraction form
    40,431.68/55,790.88 = 22,522.56/x
  3. Step 3: Cross multiply
    40,431.68x = 55,790.88 × 22,522.56
  4. Step 4: Simplify right side
    40,431.68x = 1,256,553,442.25
  5. Step 5: Solve for x
    x = 1,256,553,442.25/40,431.68
  6. Step 6: Final answer
    x = 31,078.44

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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.