Home / 57,524.78-79,408.69-38,672.84

Finding the Fourth Proportional to 57,524.78, 79,408.69 and 38,672.84

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Solution

The fourth proportional to 57,524.78, 79,408.69 and 38,672.84 is: 53,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,524.78 : 79,408.69 = 38,672.84 : x
  2. Step 2: Convert to fraction form
    57,524.78/79,408.69 = 38,672.84/x
  3. Step 3: Cross multiply
    57,524.78x = 79,408.69 × 38,672.84
  4. Step 4: Simplify right side
    57,524.78x = 3,070,958,972.57
  5. Step 5: Solve for x
    x = 3,070,958,972.57/57,524.78
  6. Step 6: Final answer
    x = 53,384.98

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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.