Home / 29,546-40,770.28-16,972.56

Finding the Fourth Proportional to 29,546, 40,770.28 and 16,972.56

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Solution

The fourth proportional to 29,546, 40,770.28 and 16,972.56 is: 23,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,546 : 40,770.28 = 16,972.56 : x
  2. Step 2: Convert to fraction form
    29,546/40,770.28 = 16,972.56/x
  3. Step 3: Cross multiply
    29,546x = 40,770.28 × 16,972.56
  4. Step 4: Simplify right side
    29,546x = 691,976,023.52
  5. Step 5: Solve for x
    x = 691,976,023.52/29,546
  6. Step 6: Final answer
    x = 23,420.29

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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.