Home / 35,921.48-53,864.19-20,933.44

Finding the Fourth Proportional to 35,921.48, 53,864.19 and 20,933.44

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Solution

The fourth proportional to 35,921.48, 53,864.19 and 20,933.44 is: 31,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.48 : 53,864.19 = 20,933.44 : x
  2. Step 2: Convert to fraction form
    35,921.48/53,864.19 = 20,933.44/x
  3. Step 3: Cross multiply
    35,921.48x = 53,864.19 × 20,933.44
  4. Step 4: Simplify right side
    35,921.48x = 1,127,562,654.85
  5. Step 5: Solve for x
    x = 1,127,562,654.85/35,921.48
  6. Step 6: Final answer
    x = 31,389.65

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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.