Home / 35,972.76-53,922.24-13,780.44

Finding the Fourth Proportional to 35,972.76, 53,922.24 and 13,780.44

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Solution

The fourth proportional to 35,972.76, 53,922.24 and 13,780.44 is: 20,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.76 : 53,922.24 = 13,780.44 : x
  2. Step 2: Convert to fraction form
    35,972.76/53,922.24 = 13,780.44/x
  3. Step 3: Cross multiply
    35,972.76x = 53,922.24 × 13,780.44
  4. Step 4: Simplify right side
    35,972.76x = 743,072,192.99
  5. Step 5: Solve for x
    x = 743,072,192.99/35,972.76
  6. Step 6: Final answer
    x = 20,656.52

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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.