Home / 40,445.62-55,814.05-22,540.30

Finding the Fourth Proportional to 40,445.62, 55,814.05 and 22,540.30

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Solution

The fourth proportional to 40,445.62, 55,814.05 and 22,540.30 is: 31,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.62 : 55,814.05 = 22,540.30 : x
  2. Step 2: Convert to fraction form
    40,445.62/55,814.05 = 22,540.30/x
  3. Step 3: Cross multiply
    40,445.62x = 55,814.05 × 22,540.30
  4. Step 4: Simplify right side
    40,445.62x = 1,258,065,431.22
  5. Step 5: Solve for x
    x = 1,258,065,431.22/40,445.62
  6. Step 6: Final answer
    x = 31,105.11

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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.