Home / 67,830.62-93,601.58-39,151.49

Finding the Fourth Proportional to 67,830.62, 93,601.58 and 39,151.49

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Solution

The fourth proportional to 67,830.62, 93,601.58 and 39,151.49 is: 54,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,830.62 : 93,601.58 = 39,151.49 : x
  2. Step 2: Convert to fraction form
    67,830.62/93,601.58 = 39,151.49/x
  3. Step 3: Cross multiply
    67,830.62x = 93,601.58 × 39,151.49
  4. Step 4: Simplify right side
    67,830.62x = 3,664,640,659.59
  5. Step 5: Solve for x
    x = 3,664,640,659.59/67,830.62
  6. Step 6: Final answer
    x = 54,026.35

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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.