Home / 37,327-51,512.34-20,561.08

Finding the Fourth Proportional to 37,327, 51,512.34 and 20,561.08

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Solution

The fourth proportional to 37,327, 51,512.34 and 20,561.08 is: 28,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,327 : 51,512.34 = 20,561.08 : x
  2. Step 2: Convert to fraction form
    37,327/51,512.34 = 20,561.08/x
  3. Step 3: Cross multiply
    37,327x = 51,512.34 × 20,561.08
  4. Step 4: Simplify right side
    37,327x = 1,059,149,343.73
  5. Step 5: Solve for x
    x = 1,059,149,343.73/37,327
  6. Step 6: Final answer
    x = 28,374.89

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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.