Home / 54,277.68-74,894.49-30,405.36

Finding the Fourth Proportional to 54,277.68, 74,894.49 and 30,405.36

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Solution

The fourth proportional to 54,277.68, 74,894.49 and 30,405.36 is: 41,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,277.68 : 74,894.49 = 30,405.36 : x
  2. Step 2: Convert to fraction form
    54,277.68/74,894.49 = 30,405.36/x
  3. Step 3: Cross multiply
    54,277.68x = 74,894.49 × 30,405.36
  4. Step 4: Simplify right side
    54,277.68x = 2,277,193,930.47
  5. Step 5: Solve for x
    x = 2,277,193,930.47/54,277.68
  6. Step 6: Final answer
    x = 41,954.52

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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.