Home / 43,399.56-65,099.34-13,826.46

Finding the Fourth Proportional to 43,399.56, 65,099.34 and 13,826.46

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Solution

The fourth proportional to 43,399.56, 65,099.34 and 13,826.46 is: 20,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,399.56 : 65,099.34 = 13,826.46 : x
  2. Step 2: Convert to fraction form
    43,399.56/65,099.34 = 13,826.46/x
  3. Step 3: Cross multiply
    43,399.56x = 65,099.34 × 13,826.46
  4. Step 4: Simplify right side
    43,399.56x = 900,093,420.54
  5. Step 5: Solve for x
    x = 900,093,420.54/43,399.56
  6. Step 6: Final answer
    x = 20,739.69

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Similar ratio
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1.5x scale

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.