Home / 39,600.48-54,648.54-21,696.06

Finding the Fourth Proportional to 39,600.48, 54,648.54 and 21,696.06

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Solution

The fourth proportional to 39,600.48, 54,648.54 and 21,696.06 is: 29,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.48 : 54,648.54 = 21,696.06 : x
  2. Step 2: Convert to fraction form
    39,600.48/54,648.54 = 21,696.06/x
  3. Step 3: Cross multiply
    39,600.48x = 54,648.54 × 21,696.06
  4. Step 4: Simplify right side
    39,600.48x = 1,185,658,002.75
  5. Step 5: Solve for x
    x = 1,185,658,002.75/39,600.48
  6. Step 6: Final answer
    x = 29,940.50

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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.