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Finding the Fourth Proportional to 69,458.97, 104,188.98 and 19,544.12

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Solution

The fourth proportional to 69,458.97, 104,188.98 and 19,544.12 is: 29,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,458.97 : 104,188.98 = 19,544.12 : x
  2. Step 2: Convert to fraction form
    69,458.97/104,188.98 = 19,544.12/x
  3. Step 3: Cross multiply
    69,458.97x = 104,188.98 × 19,544.12
  4. Step 4: Simplify right side
    69,458.97x = 2,036,281,927.80
  5. Step 5: Solve for x
    x = 2,036,281,927.80/69,458.97
  6. Step 6: Final answer
    x = 29,316.33

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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.