Home / 37,390.38-51,599.34-20,394.62

Finding the Fourth Proportional to 37,390.38, 51,599.34 and 20,394.62

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Solution

The fourth proportional to 37,390.38, 51,599.34 and 20,394.62 is: 28,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.38 : 51,599.34 = 20,394.62 : x
  2. Step 2: Convert to fraction form
    37,390.38/51,599.34 = 20,394.62/x
  3. Step 3: Cross multiply
    37,390.38x = 51,599.34 × 20,394.62
  4. Step 4: Simplify right side
    37,390.38x = 1,052,348,809.69
  5. Step 5: Solve for x
    x = 1,052,348,809.69/37,390.38
  6. Step 6: Final answer
    x = 28,144.91

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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.