Home / 20,702.52-31,053.06-5,911.44

Finding the Fourth Proportional to 20,702.52, 31,053.06 and 5,911.44

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Solution

The fourth proportional to 20,702.52, 31,053.06 and 5,911.44 is: 8,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702.52 : 31,053.06 = 5,911.44 : x
  2. Step 2: Convert to fraction form
    20,702.52/31,053.06 = 5,911.44/x
  3. Step 3: Cross multiply
    20,702.52x = 31,053.06 × 5,911.44
  4. Step 4: Simplify right side
    20,702.52x = 183,568,301.01
  5. Step 5: Solve for x
    x = 183,568,301.01/20,702.52
  6. Step 6: Final answer
    x = 8,866.95

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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.