Home / 38,286.64-57,446.40-13,313.07

Finding the Fourth Proportional to 38,286.64, 57,446.40 and 13,313.07

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Solution

The fourth proportional to 38,286.64, 57,446.40 and 13,313.07 is: 19,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.64 : 57,446.40 = 13,313.07 : x
  2. Step 2: Convert to fraction form
    38,286.64/57,446.40 = 13,313.07/x
  3. Step 3: Cross multiply
    38,286.64x = 57,446.40 × 13,313.07
  4. Step 4: Simplify right side
    38,286.64x = 764,787,944.45
  5. Step 5: Solve for x
    x = 764,787,944.45/38,286.64
  6. Step 6: Final answer
    x = 19,975.32

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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.