Home / 39,388.43-54,356.00-21,483.38

Finding the Fourth Proportional to 39,388.43, 54,356.00 and 21,483.38

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Solution

The fourth proportional to 39,388.43, 54,356.00 and 21,483.38 is: 29,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388.43 : 54,356.00 = 21,483.38 : x
  2. Step 2: Convert to fraction form
    39,388.43/54,356.00 = 21,483.38/x
  3. Step 3: Cross multiply
    39,388.43x = 54,356.00 × 21,483.38
  4. Step 4: Simplify right side
    39,388.43x = 1,167,750,224.08
  5. Step 5: Solve for x
    x = 1,167,750,224.08/39,388.43
  6. Step 6: Final answer
    x = 29,647.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.