Home / 57,016.25-85,538.39-19,576.87

Finding the Fourth Proportional to 57,016.25, 85,538.39 and 19,576.87

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Solution

The fourth proportional to 57,016.25, 85,538.39 and 19,576.87 is: 29,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.25 : 85,538.39 = 19,576.87 : x
  2. Step 2: Convert to fraction form
    57,016.25/85,538.39 = 19,576.87/x
  3. Step 3: Cross multiply
    57,016.25x = 85,538.39 × 19,576.87
  4. Step 4: Simplify right side
    57,016.25x = 1,674,573,941.04
  5. Step 5: Solve for x
    x = 1,674,573,941.04/57,016.25
  6. Step 6: Final answer
    x = 29,370.12

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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.