Home / 35,918.24-53,864.39-15,143.36

Finding the Fourth Proportional to 35,918.24, 53,864.39 and 15,143.36

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Solution

The fourth proportional to 35,918.24, 53,864.39 and 15,143.36 is: 22,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.24 : 53,864.39 = 15,143.36 : x
  2. Step 2: Convert to fraction form
    35,918.24/53,864.39 = 15,143.36/x
  3. Step 3: Cross multiply
    35,918.24x = 53,864.39 × 15,143.36
  4. Step 4: Simplify right side
    35,918.24x = 815,687,617.49
  5. Step 5: Solve for x
    x = 815,687,617.49/35,918.24
  6. Step 6: Final answer
    x = 22,709.57

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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.