Home / 38,274.72-57,408.44-13,313.76

Finding the Fourth Proportional to 38,274.72, 57,408.44 and 13,313.76

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Solution

The fourth proportional to 38,274.72, 57,408.44 and 13,313.76 is: 19,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.72 : 57,408.44 = 13,313.76 : x
  2. Step 2: Convert to fraction form
    38,274.72/57,408.44 = 13,313.76/x
  3. Step 3: Cross multiply
    38,274.72x = 57,408.44 × 13,313.76
  4. Step 4: Simplify right side
    38,274.72x = 764,322,125.57
  5. Step 5: Solve for x
    x = 764,322,125.57/38,274.72
  6. Step 6: Final answer
    x = 19,969.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.