Home / 45,333.54-68,022.59-20,391.21

Finding the Fourth Proportional to 45,333.54, 68,022.59 and 20,391.21

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Solution

The fourth proportional to 45,333.54, 68,022.59 and 20,391.21 is: 30,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333.54 : 68,022.59 = 20,391.21 : x
  2. Step 2: Convert to fraction form
    45,333.54/68,022.59 = 20,391.21/x
  3. Step 3: Cross multiply
    45,333.54x = 68,022.59 × 20,391.21
  4. Step 4: Simplify right side
    45,333.54x = 1,387,062,815.48
  5. Step 5: Solve for x
    x = 1,387,062,815.48/45,333.54
  6. Step 6: Final answer
    x = 30,596.83

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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.