Home / 37,623.72-51,919.94-20,856.36

Finding the Fourth Proportional to 37,623.72, 51,919.94 and 20,856.36

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Solution

The fourth proportional to 37,623.72, 51,919.94 and 20,856.36 is: 28,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,623.72 : 51,919.94 = 20,856.36 : x
  2. Step 2: Convert to fraction form
    37,623.72/51,919.94 = 20,856.36/x
  3. Step 3: Cross multiply
    37,623.72x = 51,919.94 × 20,856.36
  4. Step 4: Simplify right side
    37,623.72x = 1,082,860,959.82
  5. Step 5: Solve for x
    x = 1,082,860,959.82/37,623.72
  6. Step 6: Final answer
    x = 28,781.34

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Double scale
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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.