Home / 53,610.97-73,986.48-30,954.13

Finding the Fourth Proportional to 53,610.97, 73,986.48 and 30,954.13

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Solution

The fourth proportional to 53,610.97, 73,986.48 and 30,954.13 is: 42,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610.97 : 73,986.48 = 30,954.13 : x
  2. Step 2: Convert to fraction form
    53,610.97/73,986.48 = 30,954.13/x
  3. Step 3: Cross multiply
    53,610.97x = 73,986.48 × 30,954.13
  4. Step 4: Simplify right side
    53,610.97x = 2,290,187,120.16
  5. Step 5: Solve for x
    x = 2,290,187,120.16/53,610.97
  6. Step 6: Final answer
    x = 42,718.63

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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.