Home / 35,871.66-53,791.80-18,091.35

Finding the Fourth Proportional to 35,871.66, 53,791.80 and 18,091.35

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Solution

The fourth proportional to 35,871.66, 53,791.80 and 18,091.35 is: 27,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.66 : 53,791.80 = 18,091.35 : x
  2. Step 2: Convert to fraction form
    35,871.66/53,791.80 = 18,091.35/x
  3. Step 3: Cross multiply
    35,871.66x = 53,791.80 × 18,091.35
  4. Step 4: Simplify right side
    35,871.66x = 973,166,213.09
  5. Step 5: Solve for x
    x = 973,166,213.09/35,871.66
  6. Step 6: Final answer
    x = 27,129.11

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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.