Home / 40,496.64-60,753.86-12,420.54

Finding the Fourth Proportional to 40,496.64, 60,753.86 and 12,420.54

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Solution

The fourth proportional to 40,496.64, 60,753.86 and 12,420.54 is: 18,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.64 : 60,753.86 = 12,420.54 : x
  2. Step 2: Convert to fraction form
    40,496.64/60,753.86 = 12,420.54/x
  3. Step 3: Cross multiply
    40,496.64x = 60,753.86 × 12,420.54
  4. Step 4: Simplify right side
    40,496.64x = 754,595,748.28
  5. Step 5: Solve for x
    x = 754,595,748.28/40,496.64
  6. Step 6: Final answer
    x = 18,633.54

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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.