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Finding the Fourth Proportional to 48,297.89, 66,643.86 and 27,599.82

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Solution

The fourth proportional to 48,297.89, 66,643.86 and 27,599.82 is: 38,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,297.89 : 66,643.86 = 27,599.82 : x
  2. Step 2: Convert to fraction form
    48,297.89/66,643.86 = 27,599.82/x
  3. Step 3: Cross multiply
    48,297.89x = 66,643.86 × 27,599.82
  4. Step 4: Simplify right side
    48,297.89x = 1,839,358,893.52
  5. Step 5: Solve for x
    x = 1,839,358,893.52/48,297.89
  6. Step 6: Final answer
    x = 38,083.63

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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.