Home / 37,222.30-51,371.21-21,311.86

Finding the Fourth Proportional to 37,222.30, 51,371.21 and 21,311.86

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Solution

The fourth proportional to 37,222.30, 51,371.21 and 21,311.86 is: 29,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,222.30 : 51,371.21 = 21,311.86 : x
  2. Step 2: Convert to fraction form
    37,222.30/51,371.21 = 21,311.86/x
  3. Step 3: Cross multiply
    37,222.30x = 51,371.21 × 21,311.86
  4. Step 4: Simplify right side
    37,222.30x = 1,094,816,035.55
  5. Step 5: Solve for x
    x = 1,094,816,035.55/37,222.30
  6. Step 6: Final answer
    x = 29,412.91

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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.