Home / 48,131.04-66,394.16-27,985.70

Finding the Fourth Proportional to 48,131.04, 66,394.16 and 27,985.70

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Solution

The fourth proportional to 48,131.04, 66,394.16 and 27,985.70 is: 38,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.04 : 66,394.16 = 27,985.70 : x
  2. Step 2: Convert to fraction form
    48,131.04/66,394.16 = 27,985.70/x
  3. Step 3: Cross multiply
    48,131.04x = 66,394.16 × 27,985.70
  4. Step 4: Simplify right side
    48,131.04x = 1,858,086,571.61
  5. Step 5: Solve for x
    x = 1,858,086,571.61/48,131.04
  6. Step 6: Final answer
    x = 38,604.75

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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.