Home / 49,661.61-74,523.24-20,079.70

Finding the Fourth Proportional to 49,661.61, 74,523.24 and 20,079.70

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Solution

The fourth proportional to 49,661.61, 74,523.24 and 20,079.70 is: 30,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.61 : 74,523.24 = 20,079.70 : x
  2. Step 2: Convert to fraction form
    49,661.61/74,523.24 = 20,079.70/x
  3. Step 3: Cross multiply
    49,661.61x = 74,523.24 × 20,079.70
  4. Step 4: Simplify right side
    49,661.61x = 1,496,404,115.92
  5. Step 5: Solve for x
    x = 1,496,404,115.92/49,661.61
  6. Step 6: Final answer
    x = 30,132.01

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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.