Home / 36,203.76-54,292.32-12,505.32

Finding the Fourth Proportional to 36,203.76, 54,292.32 and 12,505.32

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Solution

The fourth proportional to 36,203.76, 54,292.32 and 12,505.32 is: 18,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203.76 : 54,292.32 = 12,505.32 : x
  2. Step 2: Convert to fraction form
    36,203.76/54,292.32 = 12,505.32/x
  3. Step 3: Cross multiply
    36,203.76x = 54,292.32 × 12,505.32
  4. Step 4: Simplify right side
    36,203.76x = 678,942,835.14
  5. Step 5: Solve for x
    x = 678,942,835.14/36,203.76
  6. Step 6: Final answer
    x = 18,753.38

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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.