Home / 34,640.08-47,791.98-21,197.32

Finding the Fourth Proportional to 34,640.08, 47,791.98 and 21,197.32

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Solution

The fourth proportional to 34,640.08, 47,791.98 and 21,197.32 is: 29,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,640.08 : 47,791.98 = 21,197.32 : x
  2. Step 2: Convert to fraction form
    34,640.08/47,791.98 = 21,197.32/x
  3. Step 3: Cross multiply
    34,640.08x = 47,791.98 × 21,197.32
  4. Step 4: Simplify right side
    34,640.08x = 1,013,061,893.49
  5. Step 5: Solve for x
    x = 1,013,061,893.49/34,640.08
  6. Step 6: Final answer
    x = 29,245.37

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1.5x scale

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.