Home / 57,201.22-85,812.63-21,673.18

Finding the Fourth Proportional to 57,201.22, 85,812.63 and 21,673.18

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Solution

The fourth proportional to 57,201.22, 85,812.63 and 21,673.18 is: 32,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,201.22 : 85,812.63 = 21,673.18 : x
  2. Step 2: Convert to fraction form
    57,201.22/85,812.63 = 21,673.18/x
  3. Step 3: Cross multiply
    57,201.22x = 85,812.63 × 21,673.18
  4. Step 4: Simplify right side
    57,201.22x = 1,859,832,576.26
  5. Step 5: Solve for x
    x = 1,859,832,576.26/57,201.22
  6. Step 6: Final answer
    x = 32,513.86

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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.