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Finding the Fourth Proportional to 63,279, 94,934.37 and 18,905.58

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Solution

The fourth proportional to 63,279, 94,934.37 and 18,905.58 is: 28,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279 : 94,934.37 = 18,905.58 : x
  2. Step 2: Convert to fraction form
    63,279/94,934.37 = 18,905.58/x
  3. Step 3: Cross multiply
    63,279x = 94,934.37 × 18,905.58
  4. Step 4: Simplify right side
    63,279x = 1,794,789,326.78
  5. Step 5: Solve for x
    x = 1,794,789,326.78/63,279
  6. Step 6: Final answer
    x = 28,363.11

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1.5x scale

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.