Home / 39,947.69-59,900.67-11,863.88

Finding the Fourth Proportional to 39,947.69, 59,900.67 and 11,863.88

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Solution

The fourth proportional to 39,947.69, 59,900.67 and 11,863.88 is: 17,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.69 : 59,900.67 = 11,863.88 : x
  2. Step 2: Convert to fraction form
    39,947.69/59,900.67 = 11,863.88/x
  3. Step 3: Cross multiply
    39,947.69x = 59,900.67 × 11,863.88
  4. Step 4: Simplify right side
    39,947.69x = 710,654,360.80
  5. Step 5: Solve for x
    x = 710,654,360.80/39,947.69
  6. Step 6: Final answer
    x = 17,789.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.