Home / 48,131.54-66,394.86-27,986.18

Finding the Fourth Proportional to 48,131.54, 66,394.86 and 27,986.18

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Solution

The fourth proportional to 48,131.54, 66,394.86 and 27,986.18 is: 38,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.54 : 66,394.86 = 27,986.18 : x
  2. Step 2: Convert to fraction form
    48,131.54/66,394.86 = 27,986.18/x
  3. Step 3: Cross multiply
    48,131.54x = 66,394.86 × 27,986.18
  4. Step 4: Simplify right side
    48,131.54x = 1,858,138,503.03
  5. Step 5: Solve for x
    x = 1,858,138,503.03/48,131.54
  6. Step 6: Final answer
    x = 38,605.42

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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.