Home / 31,919.00-47,878.49-9,731.88

Finding the Fourth Proportional to 31,919.00, 47,878.49 and 9,731.88

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Solution

The fourth proportional to 31,919.00, 47,878.49 and 9,731.88 is: 14,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.00 : 47,878.49 = 9,731.88 : x
  2. Step 2: Convert to fraction form
    31,919.00/47,878.49 = 9,731.88/x
  3. Step 3: Cross multiply
    31,919.00x = 47,878.49 × 9,731.88
  4. Step 4: Simplify right side
    31,919.00x = 465,947,743.59
  5. Step 5: Solve for x
    x = 465,947,743.59/31,919.00
  6. Step 6: Final answer
    x = 14,597.82

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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.