Home / 34,583.72-47,729.12-21,163.91

Finding the Fourth Proportional to 34,583.72, 47,729.12 and 21,163.91

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Solution

The fourth proportional to 34,583.72, 47,729.12 and 21,163.91 is: 29,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,583.72 : 47,729.12 = 21,163.91 : x
  2. Step 2: Convert to fraction form
    34,583.72/47,729.12 = 21,163.91/x
  3. Step 3: Cross multiply
    34,583.72x = 47,729.12 × 21,163.91
  4. Step 4: Simplify right side
    34,583.72x = 1,010,134,455.59
  5. Step 5: Solve for x
    x = 1,010,134,455.59/34,583.72
  6. Step 6: Final answer
    x = 29,208.38

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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.