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Finding the Fourth Proportional to 29,380, 44,070 and 7,492

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Solution

The fourth proportional to 29,380, 44,070 and 7,492 is: 11,238

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380 : 44,070 = 7,492 : x
  2. Step 2: Convert to fraction form
    29,380/44,070 = 7,492/x
  3. Step 3: Cross multiply
    29,380x = 44,070 × 7,492
  4. Step 4: Simplify right side
    29,380x = 330,172,440
  5. Step 5: Solve for x
    x = 330,172,440/29,380
  6. Step 6: Final answer
    x = 11,238

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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.