Home / 35,813.82-53,721.23-9,518.43

Finding the Fourth Proportional to 35,813.82, 53,721.23 and 9,518.43

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Solution

The fourth proportional to 35,813.82, 53,721.23 and 9,518.43 is: 14,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.82 : 53,721.23 = 9,518.43 : x
  2. Step 2: Convert to fraction form
    35,813.82/53,721.23 = 9,518.43/x
  3. Step 3: Cross multiply
    35,813.82x = 53,721.23 × 9,518.43
  4. Step 4: Simplify right side
    35,813.82x = 511,341,719.68
  5. Step 5: Solve for x
    x = 511,341,719.68/35,813.82
  6. Step 6: Final answer
    x = 14,277.78

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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.