Home / 36,203.68-54,334.86-18,678.52

Finding the Fourth Proportional to 36,203.68, 54,334.86 and 18,678.52

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Solution

The fourth proportional to 36,203.68, 54,334.86 and 18,678.52 is: 28,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203.68 : 54,334.86 = 18,678.52 : x
  2. Step 2: Convert to fraction form
    36,203.68/54,334.86 = 18,678.52/x
  3. Step 3: Cross multiply
    36,203.68x = 54,334.86 × 18,678.52
  4. Step 4: Simplify right side
    36,203.68x = 1,014,894,769.21
  5. Step 5: Solve for x
    x = 1,014,894,769.21/36,203.68
  6. Step 6: Final answer
    x = 28,032.92

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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.