Home / 54,002.69-80,995.81-20,738.42

Finding the Fourth Proportional to 54,002.69, 80,995.81 and 20,738.42

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Solution

The fourth proportional to 54,002.69, 80,995.81 and 20,738.42 is: 31,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.69 : 80,995.81 = 20,738.42 : x
  2. Step 2: Convert to fraction form
    54,002.69/80,995.81 = 20,738.42/x
  3. Step 3: Cross multiply
    54,002.69x = 80,995.81 × 20,738.42
  4. Step 4: Simplify right side
    54,002.69x = 1,679,725,126.02
  5. Step 5: Solve for x
    x = 1,679,725,126.02/54,002.69
  6. Step 6: Final answer
    x = 31,104.47

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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.