Home / 43,788.00-65,701.46-21,288.63

Finding the Fourth Proportional to 43,788.00, 65,701.46 and 21,288.63

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Solution

The fourth proportional to 43,788.00, 65,701.46 and 21,288.63 is: 31,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,788.00 : 65,701.46 = 21,288.63 : x
  2. Step 2: Convert to fraction form
    43,788.00/65,701.46 = 21,288.63/x
  3. Step 3: Cross multiply
    43,788.00x = 65,701.46 × 21,288.63
  4. Step 4: Simplify right side
    43,788.00x = 1,398,694,372.00
  5. Step 5: Solve for x
    x = 1,398,694,372.00/43,788.00
  6. Step 6: Final answer
    x = 31,942.41

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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.