Home / 39,129.08-58,593.44-21,579.44

Finding the Fourth Proportional to 39,129.08, 58,593.44 and 21,579.44

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Solution

The fourth proportional to 39,129.08, 58,593.44 and 21,579.44 is: 32,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.08 : 58,593.44 = 21,579.44 : x
  2. Step 2: Convert to fraction form
    39,129.08/58,593.44 = 21,579.44/x
  3. Step 3: Cross multiply
    39,129.08x = 58,593.44 × 21,579.44
  4. Step 4: Simplify right side
    39,129.08x = 1,264,413,622.87
  5. Step 5: Solve for x
    x = 1,264,413,622.87/39,129.08
  6. Step 6: Final answer
    x = 32,313.91

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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.