Home / 37,615.42-51,908.96-20,620.62

Finding the Fourth Proportional to 37,615.42, 51,908.96 and 20,620.62

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Solution

The fourth proportional to 37,615.42, 51,908.96 and 20,620.62 is: 28,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.42 : 51,908.96 = 20,620.62 : x
  2. Step 2: Convert to fraction form
    37,615.42/51,908.96 = 20,620.62/x
  3. Step 3: Cross multiply
    37,615.42x = 51,908.96 × 20,620.62
  4. Step 4: Simplify right side
    37,615.42x = 1,070,394,938.76
  5. Step 5: Solve for x
    x = 1,070,394,938.76/37,615.42
  6. Step 6: Final answer
    x = 28,456.28

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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.