Home / 57,022.80-78,582.60-49,557.84

Finding the Fourth Proportional to 57,022.80, 78,582.60 and 49,557.84

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Solution

The fourth proportional to 57,022.80, 78,582.60 and 49,557.84 is: 68,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.80 : 78,582.60 = 49,557.84 : x
  2. Step 2: Convert to fraction form
    57,022.80/78,582.60 = 49,557.84/x
  3. Step 3: Cross multiply
    57,022.80x = 78,582.60 × 49,557.84
  4. Step 4: Simplify right side
    57,022.80x = 3,894,383,917.58
  5. Step 5: Solve for x
    x = 3,894,383,917.58/57,022.80
  6. Step 6: Final answer
    x = 68,295.21

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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.