Home / 37,089.87-51,180.71-21,979.97

Finding the Fourth Proportional to 37,089.87, 51,180.71 and 21,979.97

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Solution

The fourth proportional to 37,089.87, 51,180.71 and 21,979.97 is: 30,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.87 : 51,180.71 = 21,979.97 : x
  2. Step 2: Convert to fraction form
    37,089.87/51,180.71 = 21,979.97/x
  3. Step 3: Cross multiply
    37,089.87x = 51,180.71 × 21,979.97
  4. Step 4: Simplify right side
    37,089.87x = 1,124,950,296.50
  5. Step 5: Solve for x
    x = 1,124,950,296.50/37,089.87
  6. Step 6: Final answer
    x = 30,330.40

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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.