Home / 20,577.51-30,843.99-10,035.54

Finding the Fourth Proportional to 20,577.51, 30,843.99 and 10,035.54

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Solution

The fourth proportional to 20,577.51, 30,843.99 and 10,035.54 is: 15,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.51 : 30,843.99 = 10,035.54 : x
  2. Step 2: Convert to fraction form
    20,577.51/30,843.99 = 10,035.54/x
  3. Step 3: Cross multiply
    20,577.51x = 30,843.99 × 10,035.54
  4. Step 4: Simplify right side
    20,577.51x = 309,536,095.40
  5. Step 5: Solve for x
    x = 309,536,095.40/20,577.51
  6. Step 6: Final answer
    x = 15,042.45

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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.