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Finding the Fourth Proportional to 45,979, 63,451.08 and 26,107

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Solution

The fourth proportional to 45,979, 63,451.08 and 26,107 is: 36,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979 : 63,451.08 = 26,107 : x
  2. Step 2: Convert to fraction form
    45,979/63,451.08 = 26,107/x
  3. Step 3: Cross multiply
    45,979x = 63,451.08 × 26,107
  4. Step 4: Simplify right side
    45,979x = 1,656,517,345.56
  5. Step 5: Solve for x
    x = 1,656,517,345.56/45,979
  6. Step 6: Final answer
    x = 36,027.69

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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.