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Finding the Fourth Proportional to 40,410, 60,652.38 and 20,433.58

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Solution

The fourth proportional to 40,410, 60,652.38 and 20,433.58 is: 30,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,410 : 60,652.38 = 20,433.58 : x
  2. Step 2: Convert to fraction form
    40,410/60,652.38 = 20,433.58/x
  3. Step 3: Cross multiply
    40,410x = 60,652.38 × 20,433.58
  4. Step 4: Simplify right side
    40,410x = 1,239,345,258.92
  5. Step 5: Solve for x
    x = 1,239,345,258.92/40,410
  6. Step 6: Final answer
    x = 30,669.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.