Home / 36,261.44-54,348.42-18,721.70

Finding the Fourth Proportional to 36,261.44, 54,348.42 and 18,721.70

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Solution

The fourth proportional to 36,261.44, 54,348.42 and 18,721.70 is: 28,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.44 : 54,348.42 = 18,721.70 : x
  2. Step 2: Convert to fraction form
    36,261.44/54,348.42 = 18,721.70/x
  3. Step 3: Cross multiply
    36,261.44x = 54,348.42 × 18,721.70
  4. Step 4: Simplify right side
    36,261.44x = 1,017,494,814.71
  5. Step 5: Solve for x
    x = 1,017,494,814.71/36,261.44
  6. Step 6: Final answer
    x = 28,059.97

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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.