Home / 37,288.74-51,468.57-21,988.65

Finding the Fourth Proportional to 37,288.74, 51,468.57 and 21,988.65

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Solution

The fourth proportional to 37,288.74, 51,468.57 and 21,988.65 is: 30,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.74 : 51,468.57 = 21,988.65 : x
  2. Step 2: Convert to fraction form
    37,288.74/51,468.57 = 21,988.65/x
  3. Step 3: Cross multiply
    37,288.74x = 51,468.57 × 21,988.65
  4. Step 4: Simplify right side
    37,288.74x = 1,131,724,371.73
  5. Step 5: Solve for x
    x = 1,131,724,371.73/37,288.74
  6. Step 6: Final answer
    x = 30,350.30

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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.