Home / 40,445.60-55,815.32-22,296.96

Finding the Fourth Proportional to 40,445.60, 55,815.32 and 22,296.96

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Solution

The fourth proportional to 40,445.60, 55,815.32 and 22,296.96 is: 30,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.60 : 55,815.32 = 22,296.96 : x
  2. Step 2: Convert to fraction form
    40,445.60/55,815.32 = 22,296.96/x
  3. Step 3: Cross multiply
    40,445.60x = 55,815.32 × 22,296.96
  4. Step 4: Simplify right side
    40,445.60x = 1,244,512,013.17
  5. Step 5: Solve for x
    x = 1,244,512,013.17/40,445.60
  6. Step 6: Final answer
    x = 30,770.03

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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.