Home / 43,555.90-65,346.26-21,375.94

Finding the Fourth Proportional to 43,555.90, 65,346.26 and 21,375.94

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Solution

The fourth proportional to 43,555.90, 65,346.26 and 21,375.94 is: 32,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,555.90 : 65,346.26 = 21,375.94 : x
  2. Step 2: Convert to fraction form
    43,555.90/65,346.26 = 21,375.94/x
  3. Step 3: Cross multiply
    43,555.90x = 65,346.26 × 21,375.94
  4. Step 4: Simplify right side
    43,555.90x = 1,396,837,732.98
  5. Step 5: Solve for x
    x = 1,396,837,732.98/43,555.90
  6. Step 6: Final answer
    x = 32,070.00

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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.