Home / 37,209.75-51,352.74-20,445.99

Finding the Fourth Proportional to 37,209.75, 51,352.74 and 20,445.99

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Solution

The fourth proportional to 37,209.75, 51,352.74 and 20,445.99 is: 28,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.75 : 51,352.74 = 20,445.99 : x
  2. Step 2: Convert to fraction form
    37,209.75/51,352.74 = 20,445.99/x
  3. Step 3: Cross multiply
    37,209.75x = 51,352.74 × 20,445.99
  4. Step 4: Simplify right side
    37,209.75x = 1,049,957,608.51
  5. Step 5: Solve for x
    x = 1,049,957,608.51/37,209.75
  6. Step 6: Final answer
    x = 28,217.27

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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.