Home / 51,594.86-77,376.97-19,997.88

Finding the Fourth Proportional to 51,594.86, 77,376.97 and 19,997.88

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Solution

The fourth proportional to 51,594.86, 77,376.97 and 19,997.88 is: 29,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,594.86 : 77,376.97 = 19,997.88 : x
  2. Step 2: Convert to fraction form
    51,594.86/77,376.97 = 19,997.88/x
  3. Step 3: Cross multiply
    51,594.86x = 77,376.97 × 19,997.88
  4. Step 4: Simplify right side
    51,594.86x = 1,547,375,310.83
  5. Step 5: Solve for x
    x = 1,547,375,310.83/51,594.86
  6. Step 6: Final answer
    x = 29,990.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.