Home / 38,269.33-57,430.12-13,309.13

Finding the Fourth Proportional to 38,269.33, 57,430.12 and 13,309.13

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Solution

The fourth proportional to 38,269.33, 57,430.12 and 13,309.13 is: 19,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.33 : 57,430.12 = 13,309.13 : x
  2. Step 2: Convert to fraction form
    38,269.33/57,430.12 = 13,309.13/x
  3. Step 3: Cross multiply
    38,269.33x = 57,430.12 × 13,309.13
  4. Step 4: Simplify right side
    38,269.33x = 764,344,933.00
  5. Step 5: Solve for x
    x = 764,344,933.00/38,269.33
  6. Step 6: Final answer
    x = 19,972.78

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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.