Home / 41,145.20-61,699.44-13,057.28

Finding the Fourth Proportional to 41,145.20, 61,699.44 and 13,057.28

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Solution

The fourth proportional to 41,145.20, 61,699.44 and 13,057.28 is: 19,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,145.20 : 61,699.44 = 13,057.28 : x
  2. Step 2: Convert to fraction form
    41,145.20/61,699.44 = 13,057.28/x
  3. Step 3: Cross multiply
    41,145.20x = 61,699.44 × 13,057.28
  4. Step 4: Simplify right side
    41,145.20x = 805,626,863.92
  5. Step 5: Solve for x
    x = 805,626,863.92/41,145.20
  6. Step 6: Final answer
    x = 19,580.09

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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.