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Finding the Fourth Proportional to 53,888.46, 80,848.69 and 27,611.66

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Solution

The fourth proportional to 53,888.46, 80,848.69 and 27,611.66 is: 41,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.46 : 80,848.69 = 27,611.66 : x
  2. Step 2: Convert to fraction form
    53,888.46/80,848.69 = 27,611.66/x
  3. Step 3: Cross multiply
    53,888.46x = 80,848.69 × 27,611.66
  4. Step 4: Simplify right side
    53,888.46x = 2,232,366,539.73
  5. Step 5: Solve for x
    x = 2,232,366,539.73/53,888.46
  6. Step 6: Final answer
    x = 41,425.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.