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Finding the Fourth Proportional to 29,058, 43,587 and 7,170

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Solution

The fourth proportional to 29,058, 43,587 and 7,170 is: 10,755

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058 : 43,587 = 7,170 : x
  2. Step 2: Convert to fraction form
    29,058/43,587 = 7,170/x
  3. Step 3: Cross multiply
    29,058x = 43,587 × 7,170
  4. Step 4: Simplify right side
    29,058x = 312,518,790
  5. Step 5: Solve for x
    x = 312,518,790/29,058
  6. Step 6: Final answer
    x = 10,755

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.