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Finding the Fourth Proportional to 34,473.78, 47,573.79 and 19,569.78

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Solution

The fourth proportional to 34,473.78, 47,573.79 and 19,569.78 is: 27,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,473.78 : 47,573.79 = 19,569.78 : x
  2. Step 2: Convert to fraction form
    34,473.78/47,573.79 = 19,569.78/x
  3. Step 3: Cross multiply
    34,473.78x = 47,573.79 × 19,569.78
  4. Step 4: Simplify right side
    34,473.78x = 931,008,604.07
  5. Step 5: Solve for x
    x = 931,008,604.07/34,473.78
  6. Step 6: Final answer
    x = 27,006.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.