Home / 37,212.88-51,339.28-21,076.48

Finding the Fourth Proportional to 37,212.88, 51,339.28 and 21,076.48

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Solution

The fourth proportional to 37,212.88, 51,339.28 and 21,076.48 is: 29,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.88 : 51,339.28 = 21,076.48 : x
  2. Step 2: Convert to fraction form
    37,212.88/51,339.28 = 21,076.48/x
  3. Step 3: Cross multiply
    37,212.88x = 51,339.28 × 21,076.48
  4. Step 4: Simplify right side
    37,212.88x = 1,082,051,308.13
  5. Step 5: Solve for x
    x = 1,082,051,308.13/37,212.88
  6. Step 6: Final answer
    x = 29,077.33

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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.