Home / 37,140.91-51,257.96-21,222.27

Finding the Fourth Proportional to 37,140.91, 51,257.96 and 21,222.27

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Solution

The fourth proportional to 37,140.91, 51,257.96 and 21,222.27 is: 29,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.91 : 51,257.96 = 21,222.27 : x
  2. Step 2: Convert to fraction form
    37,140.91/51,257.96 = 21,222.27/x
  3. Step 3: Cross multiply
    37,140.91x = 51,257.96 × 21,222.27
  4. Step 4: Simplify right side
    37,140.91x = 1,087,810,160.66
  5. Step 5: Solve for x
    x = 1,087,810,160.66/37,140.91
  6. Step 6: Final answer
    x = 29,288.74

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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.