Home / 35,416.69-53,108.09-20,629.82

Finding the Fourth Proportional to 35,416.69, 53,108.09 and 20,629.82

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Solution

The fourth proportional to 35,416.69, 53,108.09 and 20,629.82 is: 30,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,416.69 : 53,108.09 = 20,629.82 : x
  2. Step 2: Convert to fraction form
    35,416.69/53,108.09 = 20,629.82/x
  3. Step 3: Cross multiply
    35,416.69x = 53,108.09 × 20,629.82
  4. Step 4: Simplify right side
    35,416.69x = 1,095,610,234.09
  5. Step 5: Solve for x
    x = 1,095,610,234.09/35,416.69
  6. Step 6: Final answer
    x = 30,934.86

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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.