Home / 57,524.28-79,408.00-38,672.34

Finding the Fourth Proportional to 57,524.28, 79,408.00 and 38,672.34

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Solution

The fourth proportional to 57,524.28, 79,408.00 and 38,672.34 is: 53,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,524.28 : 79,408.00 = 38,672.34 : x
  2. Step 2: Convert to fraction form
    57,524.28/79,408.00 = 38,672.34/x
  3. Step 3: Cross multiply
    57,524.28x = 79,408.00 × 38,672.34
  4. Step 4: Simplify right side
    57,524.28x = 3,070,892,707.75
  5. Step 5: Solve for x
    x = 3,070,892,707.75/57,524.28
  6. Step 6: Final answer
    x = 53,384.29

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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.