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Finding the Fourth Proportional to 29,060, 43,590 and 7,172

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Solution

The fourth proportional to 29,060, 43,590 and 7,172 is: 10,758

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,060 : 43,590 = 7,172 : x
  2. Step 2: Convert to fraction form
    29,060/43,590 = 7,172/x
  3. Step 3: Cross multiply
    29,060x = 43,590 × 7,172
  4. Step 4: Simplify right side
    29,060x = 312,627,480
  5. Step 5: Solve for x
    x = 312,627,480/29,060
  6. Step 6: Final answer
    x = 10,758

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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.