Home / 34,687.45-47,865.94-19,583.78

Finding the Fourth Proportional to 34,687.45, 47,865.94 and 19,583.78

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Solution

The fourth proportional to 34,687.45, 47,865.94 and 19,583.78 is: 27,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.45 : 47,865.94 = 19,583.78 : x
  2. Step 2: Convert to fraction form
    34,687.45/47,865.94 = 19,583.78/x
  3. Step 3: Cross multiply
    34,687.45x = 47,865.94 × 19,583.78
  4. Step 4: Simplify right side
    34,687.45x = 937,396,038.45
  5. Step 5: Solve for x
    x = 937,396,038.45/34,687.45
  6. Step 6: Final answer
    x = 27,024.07

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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.