Home / 37,669.68-51,984.36-20,902.68

Finding the Fourth Proportional to 37,669.68, 51,984.36 and 20,902.68

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Solution

The fourth proportional to 37,669.68, 51,984.36 and 20,902.68 is: 28,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,669.68 : 51,984.36 = 20,902.68 : x
  2. Step 2: Convert to fraction form
    37,669.68/51,984.36 = 20,902.68/x
  3. Step 3: Cross multiply
    37,669.68x = 51,984.36 × 20,902.68
  4. Step 4: Simplify right side
    37,669.68x = 1,086,612,442.08
  5. Step 5: Solve for x
    x = 1,086,612,442.08/37,669.68
  6. Step 6: Final answer
    x = 28,845.81

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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.