Home / 35,971.38-53,961.99-12,272.56

Finding the Fourth Proportional to 35,971.38, 53,961.99 and 12,272.56

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Solution

The fourth proportional to 35,971.38, 53,961.99 and 12,272.56 is: 18,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.38 : 53,961.99 = 12,272.56 : x
  2. Step 2: Convert to fraction form
    35,971.38/53,961.99 = 12,272.56/x
  3. Step 3: Cross multiply
    35,971.38x = 53,961.99 × 12,272.56
  4. Step 4: Simplify right side
    35,971.38x = 662,251,579.07
  5. Step 5: Solve for x
    x = 662,251,579.07/35,971.38
  6. Step 6: Final answer
    x = 18,410.52

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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.