Home / 38,504.35-57,708.84-21,813.79

Finding the Fourth Proportional to 38,504.35, 57,708.84 and 21,813.79

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Solution

The fourth proportional to 38,504.35, 57,708.84 and 21,813.79 is: 32,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.35 : 57,708.84 = 21,813.79 : x
  2. Step 2: Convert to fraction form
    38,504.35/57,708.84 = 21,813.79/x
  3. Step 3: Cross multiply
    38,504.35x = 57,708.84 × 21,813.79
  4. Step 4: Simplify right side
    38,504.35x = 1,258,848,516.90
  5. Step 5: Solve for x
    x = 1,258,848,516.90/38,504.35
  6. Step 6: Final answer
    x = 32,693.67

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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.