Home / 20,702.52-31,044.74-5,908.14

Finding the Fourth Proportional to 20,702.52, 31,044.74 and 5,908.14

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Solution

The fourth proportional to 20,702.52, 31,044.74 and 5,908.14 is: 8,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702.52 : 31,044.74 = 5,908.14 : x
  2. Step 2: Convert to fraction form
    20,702.52/31,044.74 = 5,908.14/x
  3. Step 3: Cross multiply
    20,702.52x = 31,044.74 × 5,908.14
  4. Step 4: Simplify right side
    20,702.52x = 183,416,640.64
  5. Step 5: Solve for x
    x = 183,416,640.64/20,702.52
  6. Step 6: Final answer
    x = 8,859.63

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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.