Home / 34,341-47,375.90-21,585.32

Finding the Fourth Proportional to 34,341, 47,375.90 and 21,585.32

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Solution

The fourth proportional to 34,341, 47,375.90 and 21,585.32 is: 29,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341 : 47,375.90 = 21,585.32 : x
  2. Step 2: Convert to fraction form
    34,341/47,375.90 = 21,585.32/x
  3. Step 3: Cross multiply
    34,341x = 47,375.90 × 21,585.32
  4. Step 4: Simplify right side
    34,341x = 1,022,623,961.79
  5. Step 5: Solve for x
    x = 1,022,623,961.79/34,341
  6. Step 6: Final answer
    x = 29,778.51

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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.