Home / 37,212.20-51,357.31-21,296.30

Finding the Fourth Proportional to 37,212.20, 51,357.31 and 21,296.30

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Solution

The fourth proportional to 37,212.20, 51,357.31 and 21,296.30 is: 29,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.20 : 51,357.31 = 21,296.30 : x
  2. Step 2: Convert to fraction form
    37,212.20/51,357.31 = 21,296.30/x
  3. Step 3: Cross multiply
    37,212.20x = 51,357.31 × 21,296.30
  4. Step 4: Simplify right side
    37,212.20x = 1,093,720,756.11
  5. Step 5: Solve for x
    x = 1,093,720,756.11/37,212.20
  6. Step 6: Final answer
    x = 29,391.46

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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.