Home / 37,425.38-51,647.13-21,508.79

Finding the Fourth Proportional to 37,425.38, 51,647.13 and 21,508.79

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Solution

The fourth proportional to 37,425.38, 51,647.13 and 21,508.79 is: 29,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,425.38 : 51,647.13 = 21,508.79 : x
  2. Step 2: Convert to fraction form
    37,425.38/51,647.13 = 21,508.79/x
  3. Step 3: Cross multiply
    37,425.38x = 51,647.13 × 21,508.79
  4. Step 4: Simplify right side
    37,425.38x = 1,110,867,015.04
  5. Step 5: Solve for x
    x = 1,110,867,015.04/37,425.38
  6. Step 6: Final answer
    x = 29,682.19

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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.