Home / 53,943.58-74,443.12-30,067.68

Finding the Fourth Proportional to 53,943.58, 74,443.12 and 30,067.68

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Solution

The fourth proportional to 53,943.58, 74,443.12 and 30,067.68 is: 41,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.58 : 74,443.12 = 30,067.68 : x
  2. Step 2: Convert to fraction form
    53,943.58/74,443.12 = 30,067.68/x
  3. Step 3: Cross multiply
    53,943.58x = 74,443.12 × 30,067.68
  4. Step 4: Simplify right side
    53,943.58x = 2,238,332,283.48
  5. Step 5: Solve for x
    x = 2,238,332,283.48/53,943.58
  6. Step 6: Final answer
    x = 41,493.95

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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.