Home / 57,431.22-79,262.20-32,280.72

Finding the Fourth Proportional to 57,431.22, 79,262.20 and 32,280.72

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Solution

The fourth proportional to 57,431.22, 79,262.20 and 32,280.72 is: 44,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.22 : 79,262.20 = 32,280.72 : x
  2. Step 2: Convert to fraction form
    57,431.22/79,262.20 = 32,280.72/x
  3. Step 3: Cross multiply
    57,431.22x = 79,262.20 × 32,280.72
  4. Step 4: Simplify right side
    57,431.22x = 2,558,640,884.78
  5. Step 5: Solve for x
    x = 2,558,640,884.78/57,431.22
  6. Step 6: Final answer
    x = 44,551.39

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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.