Home / 49,885.64-68,843.79-28,374.83

Finding the Fourth Proportional to 49,885.64, 68,843.79 and 28,374.83

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Solution

The fourth proportional to 49,885.64, 68,843.79 and 28,374.83 is: 39,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.64 : 68,843.79 = 28,374.83 : x
  2. Step 2: Convert to fraction form
    49,885.64/68,843.79 = 28,374.83/x
  3. Step 3: Cross multiply
    49,885.64x = 68,843.79 × 28,374.83
  4. Step 4: Simplify right side
    49,885.64x = 1,953,430,665.70
  5. Step 5: Solve for x
    x = 1,953,430,665.70/49,885.64
  6. Step 6: Final answer
    x = 39,158.18

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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.