Home / 45,822.14-68,717.83-20,505.79

Finding the Fourth Proportional to 45,822.14, 68,717.83 and 20,505.79

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Solution

The fourth proportional to 45,822.14, 68,717.83 and 20,505.79 is: 30,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.14 : 68,717.83 = 20,505.79 : x
  2. Step 2: Convert to fraction form
    45,822.14/68,717.83 = 20,505.79/x
  3. Step 3: Cross multiply
    45,822.14x = 68,717.83 × 20,505.79
  4. Step 4: Simplify right side
    45,822.14x = 1,409,113,391.24
  5. Step 5: Solve for x
    x = 1,409,113,391.24/45,822.14
  6. Step 6: Final answer
    x = 30,751.80

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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.