Home / 33,129.35-45,730.37-19,700.56

Finding the Fourth Proportional to 33,129.35, 45,730.37 and 19,700.56

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Solution

The fourth proportional to 33,129.35, 45,730.37 and 19,700.56 is: 27,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.35 : 45,730.37 = 19,700.56 : x
  2. Step 2: Convert to fraction form
    33,129.35/45,730.37 = 19,700.56/x
  3. Step 3: Cross multiply
    33,129.35x = 45,730.37 × 19,700.56
  4. Step 4: Simplify right side
    33,129.35x = 900,913,898.01
  5. Step 5: Solve for x
    x = 900,913,898.01/33,129.35
  6. Step 6: Final answer
    x = 27,193.83

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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.