Home / 57,732.28-86,609.10-18,299.32

Finding the Fourth Proportional to 57,732.28, 86,609.10 and 18,299.32

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Solution

The fourth proportional to 57,732.28, 86,609.10 and 18,299.32 is: 27,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.28 : 86,609.10 = 18,299.32 : x
  2. Step 2: Convert to fraction form
    57,732.28/86,609.10 = 18,299.32/x
  3. Step 3: Cross multiply
    57,732.28x = 86,609.10 × 18,299.32
  4. Step 4: Simplify right side
    57,732.28x = 1,584,887,635.81
  5. Step 5: Solve for x
    x = 1,584,887,635.81/57,732.28
  6. Step 6: Final answer
    x = 27,452.37

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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.