Home / 38,275.45-57,419.33-13,322.59

Finding the Fourth Proportional to 38,275.45, 57,419.33 and 13,322.59

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Solution

The fourth proportional to 38,275.45, 57,419.33 and 13,322.59 is: 19,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.45 : 57,419.33 = 13,322.59 : x
  2. Step 2: Convert to fraction form
    38,275.45/57,419.33 = 13,322.59/x
  3. Step 3: Cross multiply
    38,275.45x = 57,419.33 × 13,322.59
  4. Step 4: Simplify right side
    38,275.45x = 764,974,056.44
  5. Step 5: Solve for x
    x = 764,974,056.44/38,275.45
  6. Step 6: Final answer
    x = 19,986.03

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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.