Home / 37,288.78-51,446.94-21,153.44

Finding the Fourth Proportional to 37,288.78, 51,446.94 and 21,153.44

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Solution

The fourth proportional to 37,288.78, 51,446.94 and 21,153.44 is: 29,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.78 : 51,446.94 = 21,153.44 : x
  2. Step 2: Convert to fraction form
    37,288.78/51,446.94 = 21,153.44/x
  3. Step 3: Cross multiply
    37,288.78x = 51,446.94 × 21,153.44
  4. Step 4: Simplify right side
    37,288.78x = 1,088,279,758.47
  5. Step 5: Solve for x
    x = 1,088,279,758.47/37,288.78
  6. Step 6: Final answer
    x = 29,185.18

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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.