Home / 57,732.75-79,671.44-31,236.75

Finding the Fourth Proportional to 57,732.75, 79,671.44 and 31,236.75

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Solution

The fourth proportional to 57,732.75, 79,671.44 and 31,236.75 is: 43,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.75 : 79,671.44 = 31,236.75 : x
  2. Step 2: Convert to fraction form
    57,732.75/79,671.44 = 31,236.75/x
  3. Step 3: Cross multiply
    57,732.75x = 79,671.44 × 31,236.75
  4. Step 4: Simplify right side
    57,732.75x = 2,488,676,697.24
  5. Step 5: Solve for x
    x = 2,488,676,697.24/57,732.75
  6. Step 6: Final answer
    x = 43,106.84

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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.