Home / 43,618.50-65,374.92-19,893.53

Finding the Fourth Proportional to 43,618.50, 65,374.92 and 19,893.53

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Solution

The fourth proportional to 43,618.50, 65,374.92 and 19,893.53 is: 29,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,618.50 : 65,374.92 = 19,893.53 : x
  2. Step 2: Convert to fraction form
    43,618.50/65,374.92 = 19,893.53/x
  3. Step 3: Cross multiply
    43,618.50x = 65,374.92 × 19,893.53
  4. Step 4: Simplify right side
    43,618.50x = 1,300,538,095.70
  5. Step 5: Solve for x
    x = 1,300,538,095.70/43,618.50
  6. Step 6: Final answer
    x = 29,816.20

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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.