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Finding the Fourth Proportional to 40,453.86, 55,824.02 and 22,548.25

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Solution

The fourth proportional to 40,453.86, 55,824.02 and 22,548.25 is: 31,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.86 : 55,824.02 = 22,548.25 : x
  2. Step 2: Convert to fraction form
    40,453.86/55,824.02 = 22,548.25/x
  3. Step 3: Cross multiply
    40,453.86x = 55,824.02 × 22,548.25
  4. Step 4: Simplify right side
    40,453.86x = 1,258,734,000.56
  5. Step 5: Solve for x
    x = 1,258,734,000.56/40,453.86
  6. Step 6: Final answer
    x = 31,115.30

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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.