Home / 37,221.74-51,369.15-20,458.22

Finding the Fourth Proportional to 37,221.74, 51,369.15 and 20,458.22

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Solution

The fourth proportional to 37,221.74, 51,369.15 and 20,458.22 is: 28,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.74 : 51,369.15 = 20,458.22 : x
  2. Step 2: Convert to fraction form
    37,221.74/51,369.15 = 20,458.22/x
  3. Step 3: Cross multiply
    37,221.74x = 51,369.15 × 20,458.22
  4. Step 4: Simplify right side
    37,221.74x = 1,050,921,371.91
  5. Step 5: Solve for x
    x = 1,050,921,371.91/37,221.74
  6. Step 6: Final answer
    x = 28,234.07

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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.