Home / 54,513.73-75,231.08-30,640.33

Finding the Fourth Proportional to 54,513.73, 75,231.08 and 30,640.33

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Solution

The fourth proportional to 54,513.73, 75,231.08 and 30,640.33 is: 42,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.73 : 75,231.08 = 30,640.33 : x
  2. Step 2: Convert to fraction form
    54,513.73/75,231.08 = 30,640.33/x
  3. Step 3: Cross multiply
    54,513.73x = 75,231.08 × 30,640.33
  4. Step 4: Simplify right side
    54,513.73x = 2,305,105,117.46
  5. Step 5: Solve for x
    x = 2,305,105,117.46/54,513.73
  6. Step 6: Final answer
    x = 42,284.85

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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.