Home / 20,304.49-30,382.90-16,761.55

Finding the Fourth Proportional to 20,304.49, 30,382.90 and 16,761.55

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Solution

The fourth proportional to 20,304.49, 30,382.90 and 16,761.55 is: 25,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.49 : 30,382.90 = 16,761.55 : x
  2. Step 2: Convert to fraction form
    20,304.49/30,382.90 = 16,761.55/x
  3. Step 3: Cross multiply
    20,304.49x = 30,382.90 × 16,761.55
  4. Step 4: Simplify right side
    20,304.49x = 509,264,497.50
  5. Step 5: Solve for x
    x = 509,264,497.50/20,304.49
  6. Step 6: Final answer
    x = 25,081.37

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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.