Home / 43,559.10-65,342.70-13,573.58

Finding the Fourth Proportional to 43,559.10, 65,342.70 and 13,573.58

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Solution

The fourth proportional to 43,559.10, 65,342.70 and 13,573.58 is: 20,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.10 : 65,342.70 = 13,573.58 : x
  2. Step 2: Convert to fraction form
    43,559.10/65,342.70 = 13,573.58/x
  3. Step 3: Cross multiply
    43,559.10x = 65,342.70 × 13,573.58
  4. Step 4: Simplify right side
    43,559.10x = 886,934,039.15
  5. Step 5: Solve for x
    x = 886,934,039.15/43,559.10
  6. Step 6: Final answer
    x = 20,361.62

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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.