Home / 36,387.90-50,211.74-20,472.02

Finding the Fourth Proportional to 36,387.90, 50,211.74 and 20,472.02

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Solution

The fourth proportional to 36,387.90, 50,211.74 and 20,472.02 is: 28,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.90 : 50,211.74 = 20,472.02 : x
  2. Step 2: Convert to fraction form
    36,387.90/50,211.74 = 20,472.02/x
  3. Step 3: Cross multiply
    36,387.90x = 50,211.74 × 20,472.02
  4. Step 4: Simplify right side
    36,387.90x = 1,027,935,392.10
  5. Step 5: Solve for x
    x = 1,027,935,392.10/36,387.90
  6. Step 6: Final answer
    x = 28,249.37

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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.