Home / 38,489.34-57,627.49-19,728.93

Finding the Fourth Proportional to 38,489.34, 57,627.49 and 19,728.93

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Solution

The fourth proportional to 38,489.34, 57,627.49 and 19,728.93 is: 29,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.34 : 57,627.49 = 19,728.93 : x
  2. Step 2: Convert to fraction form
    38,489.34/57,627.49 = 19,728.93/x
  3. Step 3: Cross multiply
    38,489.34x = 57,627.49 × 19,728.93
  4. Step 4: Simplify right side
    38,489.34x = 1,136,928,716.29
  5. Step 5: Solve for x
    x = 1,136,928,716.29/38,489.34
  6. Step 6: Final answer
    x = 29,538.79

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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.