Home / 45,816.73-68,745.75-29,172.45

Finding the Fourth Proportional to 45,816.73, 68,745.75 and 29,172.45

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Solution

The fourth proportional to 45,816.73, 68,745.75 and 29,172.45 is: 43,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.73 : 68,745.75 = 29,172.45 : x
  2. Step 2: Convert to fraction form
    45,816.73/68,745.75 = 29,172.45/x
  3. Step 3: Cross multiply
    45,816.73x = 68,745.75 × 29,172.45
  4. Step 4: Simplify right side
    45,816.73x = 2,005,481,610.86
  5. Step 5: Solve for x
    x = 2,005,481,610.86/45,816.73
  6. Step 6: Final answer
    x = 43,771.82

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1.5x scale

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.