Home / 47,919.31-66,129.96-26,699.97

Finding the Fourth Proportional to 47,919.31, 66,129.96 and 26,699.97

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Solution

The fourth proportional to 47,919.31, 66,129.96 and 26,699.97 is: 36,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.31 : 66,129.96 = 26,699.97 : x
  2. Step 2: Convert to fraction form
    47,919.31/66,129.96 = 26,699.97/x
  3. Step 3: Cross multiply
    47,919.31x = 66,129.96 × 26,699.97
  4. Step 4: Simplify right side
    47,919.31x = 1,765,667,948.10
  5. Step 5: Solve for x
    x = 1,765,667,948.10/47,919.31
  6. Step 6: Final answer
    x = 36,846.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.