Home / 38,268.69-52,806.79-21,270.21

Finding the Fourth Proportional to 38,268.69, 52,806.79 and 21,270.21

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Solution

The fourth proportional to 38,268.69, 52,806.79 and 21,270.21 is: 29,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.69 : 52,806.79 = 21,270.21 : x
  2. Step 2: Convert to fraction form
    38,268.69/52,806.79 = 21,270.21/x
  3. Step 3: Cross multiply
    38,268.69x = 52,806.79 × 21,270.21
  4. Step 4: Simplify right side
    38,268.69x = 1,123,211,512.73
  5. Step 5: Solve for x
    x = 1,123,211,512.73/38,268.69
  6. Step 6: Final answer
    x = 29,350.67

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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.