Home / 33,337.00-45,983.38-21,381.40

Finding the Fourth Proportional to 33,337.00, 45,983.38 and 21,381.40

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Solution

The fourth proportional to 33,337.00, 45,983.38 and 21,381.40 is: 29,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,337.00 : 45,983.38 = 21,381.40 : x
  2. Step 2: Convert to fraction form
    33,337.00/45,983.38 = 21,381.40/x
  3. Step 3: Cross multiply
    33,337.00x = 45,983.38 × 21,381.40
  4. Step 4: Simplify right side
    33,337.00x = 983,188,704.31
  5. Step 5: Solve for x
    x = 983,188,704.31/33,337.00
  6. Step 6: Final answer
    x = 29,492.42

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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.