Home / 40,445.71-55,815.15-22,540.35

Finding the Fourth Proportional to 40,445.71, 55,815.15 and 22,540.35

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Solution

The fourth proportional to 40,445.71, 55,815.15 and 22,540.35 is: 31,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.71 : 55,815.15 = 22,540.35 : x
  2. Step 2: Convert to fraction form
    40,445.71/55,815.15 = 22,540.35/x
  3. Step 3: Cross multiply
    40,445.71x = 55,815.15 × 22,540.35
  4. Step 4: Simplify right side
    40,445.71x = 1,258,093,016.30
  5. Step 5: Solve for x
    x = 1,258,093,016.30/40,445.71
  6. Step 6: Final answer
    x = 31,105.72

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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.