Home / 40,982.70-61,398.45-23,400.30

Finding the Fourth Proportional to 40,982.70, 61,398.45 and 23,400.30

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Solution

The fourth proportional to 40,982.70, 61,398.45 and 23,400.30 is: 35,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.70 : 61,398.45 = 23,400.30 : x
  2. Step 2: Convert to fraction form
    40,982.70/61,398.45 = 23,400.30/x
  3. Step 3: Cross multiply
    40,982.70x = 61,398.45 × 23,400.30
  4. Step 4: Simplify right side
    40,982.70x = 1,436,742,149.54
  5. Step 5: Solve for x
    x = 1,436,742,149.54/40,982.70
  6. Step 6: Final answer
    x = 35,057.28

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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.