Home / 47,919.08-66,128.40-26,699.09

Finding the Fourth Proportional to 47,919.08, 66,128.40 and 26,699.09

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Solution

The fourth proportional to 47,919.08, 66,128.40 and 26,699.09 is: 36,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.08 : 66,128.40 = 26,699.09 : x
  2. Step 2: Convert to fraction form
    47,919.08/66,128.40 = 26,699.09/x
  3. Step 3: Cross multiply
    47,919.08x = 66,128.40 × 26,699.09
  4. Step 4: Simplify right side
    47,919.08x = 1,765,568,103.16
  5. Step 5: Solve for x
    x = 1,765,568,103.16/47,919.08
  6. Step 6: Final answer
    x = 36,844.78

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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.