Home / 37,451.20-51,682.82-20,455.17

Finding the Fourth Proportional to 37,451.20, 51,682.82 and 20,455.17

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Solution

The fourth proportional to 37,451.20, 51,682.82 and 20,455.17 is: 28,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.20 : 51,682.82 = 20,455.17 : x
  2. Step 2: Convert to fraction form
    37,451.20/51,682.82 = 20,455.17/x
  3. Step 3: Cross multiply
    37,451.20x = 51,682.82 × 20,455.17
  4. Step 4: Simplify right side
    37,451.20x = 1,057,180,869.18
  5. Step 5: Solve for x
    x = 1,057,180,869.18/37,451.20
  6. Step 6: Final answer
    x = 28,228.22

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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.