Home / 37,418.45-51,646.33-21,512.14

Finding the Fourth Proportional to 37,418.45, 51,646.33 and 21,512.14

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Solution

The fourth proportional to 37,418.45, 51,646.33 and 21,512.14 is: 29,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.45 : 51,646.33 = 21,512.14 : x
  2. Step 2: Convert to fraction form
    37,418.45/51,646.33 = 21,512.14/x
  3. Step 3: Cross multiply
    37,418.45x = 51,646.33 × 21,512.14
  4. Step 4: Simplify right side
    37,418.45x = 1,111,022,973.89
  5. Step 5: Solve for x
    x = 1,111,022,973.89/37,418.45
  6. Step 6: Final answer
    x = 29,691.85

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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.