Home / 35,914.32-53,896.10-12,540.76

Finding the Fourth Proportional to 35,914.32, 53,896.10 and 12,540.76

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Solution

The fourth proportional to 35,914.32, 53,896.10 and 12,540.76 is: 18,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,914.32 : 53,896.10 = 12,540.76 : x
  2. Step 2: Convert to fraction form
    35,914.32/53,896.10 = 12,540.76/x
  3. Step 3: Cross multiply
    35,914.32x = 53,896.10 × 12,540.76
  4. Step 4: Simplify right side
    35,914.32x = 675,897,857.59
  5. Step 5: Solve for x
    x = 675,897,857.59/35,914.32
  6. Step 6: Final answer
    x = 18,819.73

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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.