Home / 37,279.76-51,442.92-21,963.86

Finding the Fourth Proportional to 37,279.76, 51,442.92 and 21,963.86

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Solution

The fourth proportional to 37,279.76, 51,442.92 and 21,963.86 is: 30,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.76 : 51,442.92 = 21,963.86 : x
  2. Step 2: Convert to fraction form
    37,279.76/51,442.92 = 21,963.86/x
  3. Step 3: Cross multiply
    37,279.76x = 51,442.92 × 21,963.86
  4. Step 4: Simplify right side
    37,279.76x = 1,129,885,092.87
  5. Step 5: Solve for x
    x = 1,129,885,092.87/37,279.76
  6. Step 6: Final answer
    x = 30,308.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.