Home / 45,406.37-68,003.85-43,829.61

Finding the Fourth Proportional to 45,406.37, 68,003.85 and 43,829.61

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Solution

The fourth proportional to 45,406.37, 68,003.85 and 43,829.61 is: 65,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.37 : 68,003.85 = 43,829.61 : x
  2. Step 2: Convert to fraction form
    45,406.37/68,003.85 = 43,829.61/x
  3. Step 3: Cross multiply
    45,406.37x = 68,003.85 × 43,829.61
  4. Step 4: Simplify right side
    45,406.37x = 2,980,582,133.35
  5. Step 5: Solve for x
    x = 2,980,582,133.35/45,406.37
  6. Step 6: Final answer
    x = 65,642.38

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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.