Home / 57,928,044.12-79,940,753.28-31,824,252.96

Finding the Fourth Proportional to 57,928,044.12, 79,940,753.28 and 31,824,252.96

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Solution

The fourth proportional to 57,928,044.12, 79,940,753.28 and 31,824,252.96 is: 43,917,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928,044.12 : 79,940,753.28 = 31,824,252.96 : x
  2. Step 2: Convert to fraction form
    57,928,044.12/79,940,753.28 = 31,824,252.96/x
  3. Step 3: Cross multiply
    57,928,044.12x = 79,940,753.28 × 31,824,252.96
  4. Step 4: Simplify right side
    57,928,044.12x = 2,544,054,754,195,670
  5. Step 5: Solve for x
    x = 2,544,054,754,195,670/57,928,044.12
  6. Step 6: Final answer
    x = 43,917,497.87

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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.