Home / 37,132-51,242.16-20,365.04

Finding the Fourth Proportional to 37,132, 51,242.16 and 20,365.04

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Solution

The fourth proportional to 37,132, 51,242.16 and 20,365.04 is: 28,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132 : 51,242.16 = 20,365.04 : x
  2. Step 2: Convert to fraction form
    37,132/51,242.16 = 20,365.04/x
  3. Step 3: Cross multiply
    37,132x = 51,242.16 × 20,365.04
  4. Step 4: Simplify right side
    37,132x = 1,043,548,638.09
  5. Step 5: Solve for x
    x = 1,043,548,638.09/37,132
  6. Step 6: Final answer
    x = 28,103.76

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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.