Home / 37,601.28-51,891.84-21,690.72

Finding the Fourth Proportional to 37,601.28, 51,891.84 and 21,690.72

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Solution

The fourth proportional to 37,601.28, 51,891.84 and 21,690.72 is: 29,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,601.28 : 51,891.84 = 21,690.72 : x
  2. Step 2: Convert to fraction form
    37,601.28/51,891.84 = 21,690.72/x
  3. Step 3: Cross multiply
    37,601.28x = 51,891.84 × 21,690.72
  4. Step 4: Simplify right side
    37,601.28x = 1,125,571,371.72
  5. Step 5: Solve for x
    x = 1,125,571,371.72/37,601.28
  6. Step 6: Final answer
    x = 29,934.39

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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.