Home / 57,296.81-85,896.33-21,738.23

Finding the Fourth Proportional to 57,296.81, 85,896.33 and 21,738.23

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Solution

The fourth proportional to 57,296.81, 85,896.33 and 21,738.23 is: 32,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,296.81 : 85,896.33 = 21,738.23 : x
  2. Step 2: Convert to fraction form
    57,296.81/85,896.33 = 21,738.23/x
  3. Step 3: Cross multiply
    57,296.81x = 85,896.33 × 21,738.23
  4. Step 4: Simplify right side
    57,296.81x = 1,867,233,748.21
  5. Step 5: Solve for x
    x = 1,867,233,748.21/57,296.81
  6. Step 6: Final answer
    x = 32,588.79

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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.