Home / 45,208.17-67,825.49-20,242.65

Finding the Fourth Proportional to 45,208.17, 67,825.49 and 20,242.65

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Solution

The fourth proportional to 45,208.17, 67,825.49 and 20,242.65 is: 30,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.17 : 67,825.49 = 20,242.65 : x
  2. Step 2: Convert to fraction form
    45,208.17/67,825.49 = 20,242.65/x
  3. Step 3: Cross multiply
    45,208.17x = 67,825.49 × 20,242.65
  4. Step 4: Simplify right side
    45,208.17x = 1,372,967,553.94
  5. Step 5: Solve for x
    x = 1,372,967,553.94/45,208.17
  6. Step 6: Final answer
    x = 30,369.90

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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.