Home / 37,491.20-51,736.28-21,576.20

Finding the Fourth Proportional to 37,491.20, 51,736.28 and 21,576.20

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Solution

The fourth proportional to 37,491.20, 51,736.28 and 21,576.20 is: 29,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,491.20 : 51,736.28 = 21,576.20 : x
  2. Step 2: Convert to fraction form
    37,491.20/51,736.28 = 21,576.20/x
  3. Step 3: Cross multiply
    37,491.20x = 51,736.28 × 21,576.20
  4. Step 4: Simplify right side
    37,491.20x = 1,116,272,324.54
  5. Step 5: Solve for x
    x = 1,116,272,324.54/37,491.20
  6. Step 6: Final answer
    x = 29,774.25

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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.