Home / 35,572.78-53,408.31-18,054.91

Finding the Fourth Proportional to 35,572.78, 53,408.31 and 18,054.91

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Solution

The fourth proportional to 35,572.78, 53,408.31 and 18,054.91 is: 27,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,572.78 : 53,408.31 = 18,054.91 : x
  2. Step 2: Convert to fraction form
    35,572.78/53,408.31 = 18,054.91/x
  3. Step 3: Cross multiply
    35,572.78x = 53,408.31 × 18,054.91
  4. Step 4: Simplify right side
    35,572.78x = 964,282,230.30
  5. Step 5: Solve for x
    x = 964,282,230.30/35,572.78
  6. Step 6: Final answer
    x = 27,107.31

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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.