Home / 36,678.92-55,009.56-16,938.52

Finding the Fourth Proportional to 36,678.92, 55,009.56 and 16,938.52

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Solution

The fourth proportional to 36,678.92, 55,009.56 and 16,938.52 is: 25,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.92 : 55,009.56 = 16,938.52 : x
  2. Step 2: Convert to fraction form
    36,678.92/55,009.56 = 16,938.52/x
  3. Step 3: Cross multiply
    36,678.92x = 55,009.56 × 16,938.52
  4. Step 4: Simplify right side
    36,678.92x = 931,780,532.25
  5. Step 5: Solve for x
    x = 931,780,532.25/36,678.92
  6. Step 6: Final answer
    x = 25,403.71

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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.