Home / 37,469.12-51,707.28-20,702

Finding the Fourth Proportional to 37,469.12, 51,707.28 and 20,702

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Solution

The fourth proportional to 37,469.12, 51,707.28 and 20,702 is: 28,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,469.12 : 51,707.28 = 20,702 : x
  2. Step 2: Convert to fraction form
    37,469.12/51,707.28 = 20,702/x
  3. Step 3: Cross multiply
    37,469.12x = 51,707.28 × 20,702
  4. Step 4: Simplify right side
    37,469.12x = 1,070,444,110.56
  5. Step 5: Solve for x
    x = 1,070,444,110.56/37,469.12
  6. Step 6: Final answer
    x = 28,568.70

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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.