Home / 49,172.80-67,864.56-30,048.64

Finding the Fourth Proportional to 49,172.80, 67,864.56 and 30,048.64

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Solution

The fourth proportional to 49,172.80, 67,864.56 and 30,048.64 is: 41,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172.80 : 67,864.56 = 30,048.64 : x
  2. Step 2: Convert to fraction form
    49,172.80/67,864.56 = 30,048.64/x
  3. Step 3: Cross multiply
    49,172.80x = 67,864.56 × 30,048.64
  4. Step 4: Simplify right side
    49,172.80x = 2,039,237,732.20
  5. Step 5: Solve for x
    x = 2,039,237,732.20/49,172.80
  6. Step 6: Final answer
    x = 41,470.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.