Home / 39,051.62-53,891.49-21,146.62

Finding the Fourth Proportional to 39,051.62, 53,891.49 and 21,146.62

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Solution

The fourth proportional to 39,051.62, 53,891.49 and 21,146.62 is: 29,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,051.62 : 53,891.49 = 21,146.62 : x
  2. Step 2: Convert to fraction form
    39,051.62/53,891.49 = 21,146.62/x
  3. Step 3: Cross multiply
    39,051.62x = 53,891.49 × 21,146.62
  4. Step 4: Simplify right side
    39,051.62x = 1,139,623,076.21
  5. Step 5: Solve for x
    x = 1,139,623,076.21/39,051.62
  6. Step 6: Final answer
    x = 29,182.48

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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.