Home / 51,714.09-77,451.62-30,891.69

Finding the Fourth Proportional to 51,714.09, 77,451.62 and 30,891.69

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Solution

The fourth proportional to 51,714.09, 77,451.62 and 30,891.69 is: 46,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.09 : 77,451.62 = 30,891.69 : x
  2. Step 2: Convert to fraction form
    51,714.09/77,451.62 = 30,891.69/x
  3. Step 3: Cross multiply
    51,714.09x = 77,451.62 × 30,891.69
  4. Step 4: Simplify right side
    51,714.09x = 2,392,611,280.58
  5. Step 5: Solve for x
    x = 2,392,611,280.58/51,714.09
  6. Step 6: Final answer
    x = 46,266.14

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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.