Home / 40,445.96-55,815.50-22,540.60

Finding the Fourth Proportional to 40,445.96, 55,815.50 and 22,540.60

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Solution

The fourth proportional to 40,445.96, 55,815.50 and 22,540.60 is: 31,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.96 : 55,815.50 = 22,540.60 : x
  2. Step 2: Convert to fraction form
    40,445.96/55,815.50 = 22,540.60/x
  3. Step 3: Cross multiply
    40,445.96x = 55,815.50 × 22,540.60
  4. Step 4: Simplify right side
    40,445.96x = 1,258,114,985.42
  5. Step 5: Solve for x
    x = 1,258,114,985.42/40,445.96
  6. Step 6: Final answer
    x = 31,106.08

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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.