Home / 67,979.52-93,800.97-39,288.51

Finding the Fourth Proportional to 67,979.52, 93,800.97 and 39,288.51

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Solution

The fourth proportional to 67,979.52, 93,800.97 and 39,288.51 is: 54,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.52 : 93,800.97 = 39,288.51 : x
  2. Step 2: Convert to fraction form
    67,979.52/93,800.97 = 39,288.51/x
  3. Step 3: Cross multiply
    67,979.52x = 93,800.97 × 39,288.51
  4. Step 4: Simplify right side
    67,979.52x = 3,685,300,347.85
  5. Step 5: Solve for x
    x = 3,685,300,347.85/67,979.52
  6. Step 6: Final answer
    x = 54,211.92

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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.