Home / 47,879.88-66,074.64-26,371.92

Finding the Fourth Proportional to 47,879.88, 66,074.64 and 26,371.92

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Solution

The fourth proportional to 47,879.88, 66,074.64 and 26,371.92 is: 36,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,879.88 : 66,074.64 = 26,371.92 : x
  2. Step 2: Convert to fraction form
    47,879.88/66,074.64 = 26,371.92/x
  3. Step 3: Cross multiply
    47,879.88x = 66,074.64 × 26,371.92
  4. Step 4: Simplify right side
    47,879.88x = 1,742,515,120.11
  5. Step 5: Solve for x
    x = 1,742,515,120.11/47,879.88
  6. Step 6: Final answer
    x = 36,393.47

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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.