Home / 40,648.40-61,003.32-17,291.28

Finding the Fourth Proportional to 40,648.40, 61,003.32 and 17,291.28

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Solution

The fourth proportional to 40,648.40, 61,003.32 and 17,291.28 is: 25,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,648.40 : 61,003.32 = 17,291.28 : x
  2. Step 2: Convert to fraction form
    40,648.40/61,003.32 = 17,291.28/x
  3. Step 3: Cross multiply
    40,648.40x = 61,003.32 × 17,291.28
  4. Step 4: Simplify right side
    40,648.40x = 1,054,825,487.05
  5. Step 5: Solve for x
    x = 1,054,825,487.05/40,648.40
  6. Step 6: Final answer
    x = 25,949.99

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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.