Home / 54,243.63-74,855.39-30,371.13

Finding the Fourth Proportional to 54,243.63, 74,855.39 and 30,371.13

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Solution

The fourth proportional to 54,243.63, 74,855.39 and 30,371.13 is: 41,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.63 : 74,855.39 = 30,371.13 : x
  2. Step 2: Convert to fraction form
    54,243.63/74,855.39 = 30,371.13/x
  3. Step 3: Cross multiply
    54,243.63x = 74,855.39 × 30,371.13
  4. Step 4: Simplify right side
    54,243.63x = 2,273,442,629.04
  5. Step 5: Solve for x
    x = 2,273,442,629.04/54,243.63
  6. Step 6: Final answer
    x = 41,911.70

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1.5x scale

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.