Home / 47,979.94-66,212.31-26,758.75

Finding the Fourth Proportional to 47,979.94, 66,212.31 and 26,758.75

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Solution

The fourth proportional to 47,979.94, 66,212.31 and 26,758.75 is: 36,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.94 : 66,212.31 = 26,758.75 : x
  2. Step 2: Convert to fraction form
    47,979.94/66,212.31 = 26,758.75/x
  3. Step 3: Cross multiply
    47,979.94x = 66,212.31 × 26,758.75
  4. Step 4: Simplify right side
    47,979.94x = 1,771,758,650.21
  5. Step 5: Solve for x
    x = 1,771,758,650.21/47,979.94
  6. Step 6: Final answer
    x = 36,927.07

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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.