Home / 53,979.27-74,491.52-30,107.49

Finding the Fourth Proportional to 53,979.27, 74,491.52 and 30,107.49

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Solution

The fourth proportional to 53,979.27, 74,491.52 and 30,107.49 is: 41,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.27 : 74,491.52 = 30,107.49 : x
  2. Step 2: Convert to fraction form
    53,979.27/74,491.52 = 30,107.49/x
  3. Step 3: Cross multiply
    53,979.27x = 74,491.52 × 30,107.49
  4. Step 4: Simplify right side
    53,979.27x = 2,242,752,693.48
  5. Step 5: Solve for x
    x = 2,242,752,693.48/53,979.27
  6. Step 6: Final answer
    x = 41,548.41

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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.