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Finding the Fourth Proportional to 40,447.63, 55,819.63 and 22,542.76

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Solution

The fourth proportional to 40,447.63, 55,819.63 and 22,542.76 is: 31,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447.63 : 55,819.63 = 22,542.76 : x
  2. Step 2: Convert to fraction form
    40,447.63/55,819.63 = 22,542.76/x
  3. Step 3: Cross multiply
    40,447.63x = 55,819.63 × 22,542.76
  4. Step 4: Simplify right side
    40,447.63x = 1,258,328,447.30
  5. Step 5: Solve for x
    x = 1,258,328,447.30/40,447.63
  6. Step 6: Final answer
    x = 31,110.07

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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.