Home / 47,078.78-64,979.92-26,947.28

Finding the Fourth Proportional to 47,078.78, 64,979.92 and 26,947.28

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Solution

The fourth proportional to 47,078.78, 64,979.92 and 26,947.28 is: 37,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.78 : 64,979.92 = 26,947.28 : x
  2. Step 2: Convert to fraction form
    47,078.78/64,979.92 = 26,947.28/x
  3. Step 3: Cross multiply
    47,078.78x = 64,979.92 × 26,947.28
  4. Step 4: Simplify right side
    47,078.78x = 1,751,032,098.62
  5. Step 5: Solve for x
    x = 1,751,032,098.62/47,078.78
  6. Step 6: Final answer
    x = 37,193.66

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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.