Home / 36,143.60-49,876.98-20,227.64

Finding the Fourth Proportional to 36,143.60, 49,876.98 and 20,227.64

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Solution

The fourth proportional to 36,143.60, 49,876.98 and 20,227.64 is: 27,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.60 : 49,876.98 = 20,227.64 : x
  2. Step 2: Convert to fraction form
    36,143.60/49,876.98 = 20,227.64/x
  3. Step 3: Cross multiply
    36,143.60x = 49,876.98 × 20,227.64
  4. Step 4: Simplify right side
    36,143.60x = 1,008,893,595.73
  5. Step 5: Solve for x
    x = 1,008,893,595.73/36,143.60
  6. Step 6: Final answer
    x = 27,913.48

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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.