Home / 45,399.38-68,105.46-15,812.94

Finding the Fourth Proportional to 45,399.38, 68,105.46 and 15,812.94

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Solution

The fourth proportional to 45,399.38, 68,105.46 and 15,812.94 is: 23,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.38 : 68,105.46 = 15,812.94 : x
  2. Step 2: Convert to fraction form
    45,399.38/68,105.46 = 15,812.94/x
  3. Step 3: Cross multiply
    45,399.38x = 68,105.46 × 15,812.94
  4. Step 4: Simplify right side
    45,399.38x = 1,076,947,552.65
  5. Step 5: Solve for x
    x = 1,076,947,552.65/45,399.38
  6. Step 6: Final answer
    x = 23,721.64

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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.