Home / 35,522.70-48,991.23-21,372.90

Finding the Fourth Proportional to 35,522.70, 48,991.23 and 21,372.90

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Solution

The fourth proportional to 35,522.70, 48,991.23 and 21,372.90 is: 29,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.70 : 48,991.23 = 21,372.90 : x
  2. Step 2: Convert to fraction form
    35,522.70/48,991.23 = 21,372.90/x
  3. Step 3: Cross multiply
    35,522.70x = 48,991.23 × 21,372.90
  4. Step 4: Simplify right side
    35,522.70x = 1,047,084,659.67
  5. Step 5: Solve for x
    x = 1,047,084,659.67/35,522.70
  6. Step 6: Final answer
    x = 29,476.49

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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.