Home / 57,918.70-86,905.75-32,638.38

Finding the Fourth Proportional to 57,918.70, 86,905.75 and 32,638.38

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Solution

The fourth proportional to 57,918.70, 86,905.75 and 32,638.38 is: 48,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,918.70 : 86,905.75 = 32,638.38 : x
  2. Step 2: Convert to fraction form
    57,918.70/86,905.75 = 32,638.38/x
  3. Step 3: Cross multiply
    57,918.70x = 86,905.75 × 32,638.38
  4. Step 4: Simplify right side
    57,918.70x = 2,836,462,892.69
  5. Step 5: Solve for x
    x = 2,836,462,892.69/57,918.70
  6. Step 6: Final answer
    x = 48,973.18

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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.