Home / 36,819.30-55,083.15-31,943.10

Finding the Fourth Proportional to 36,819.30, 55,083.15 and 31,943.10

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Solution

The fourth proportional to 36,819.30, 55,083.15 and 31,943.10 is: 47,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.30 : 55,083.15 = 31,943.10 : x
  2. Step 2: Convert to fraction form
    36,819.30/55,083.15 = 31,943.10/x
  3. Step 3: Cross multiply
    36,819.30x = 55,083.15 × 31,943.10
  4. Step 4: Simplify right side
    36,819.30x = 1,759,526,568.77
  5. Step 5: Solve for x
    x = 1,759,526,568.77/36,819.30
  6. Step 6: Final answer
    x = 47,788.16

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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.