Home / 38,664.82-53,357.44-21,897.82

Finding the Fourth Proportional to 38,664.82, 53,357.44 and 21,897.82

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Solution

The fourth proportional to 38,664.82, 53,357.44 and 21,897.82 is: 30,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.82 : 53,357.44 = 21,897.82 : x
  2. Step 2: Convert to fraction form
    38,664.82/53,357.44 = 21,897.82/x
  3. Step 3: Cross multiply
    38,664.82x = 53,357.44 × 21,897.82
  4. Step 4: Simplify right side
    38,664.82x = 1,168,411,616.78
  5. Step 5: Solve for x
    x = 1,168,411,616.78/38,664.82
  6. Step 6: Final answer
    x = 30,218.99

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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.