Home / 37,147.65-51,251.29-21,220.83

Finding the Fourth Proportional to 37,147.65, 51,251.29 and 21,220.83

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Solution

The fourth proportional to 37,147.65, 51,251.29 and 21,220.83 is: 29,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.65 : 51,251.29 = 21,220.83 : x
  2. Step 2: Convert to fraction form
    37,147.65/51,251.29 = 21,220.83/x
  3. Step 3: Cross multiply
    37,147.65x = 51,251.29 × 21,220.83
  4. Step 4: Simplify right side
    37,147.65x = 1,087,594,912.37
  5. Step 5: Solve for x
    x = 1,087,594,912.37/37,147.65
  6. Step 6: Final answer
    x = 29,277.62

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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.