Home / 53,355.21-80,037.37-15,912.86

Finding the Fourth Proportional to 53,355.21, 80,037.37 and 15,912.86

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Solution

The fourth proportional to 53,355.21, 80,037.37 and 15,912.86 is: 23,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.21 : 80,037.37 = 15,912.86 : x
  2. Step 2: Convert to fraction form
    53,355.21/80,037.37 = 15,912.86/x
  3. Step 3: Cross multiply
    53,355.21x = 80,037.37 × 15,912.86
  4. Step 4: Simplify right side
    53,355.21x = 1,273,622,993.77
  5. Step 5: Solve for x
    x = 1,273,622,993.77/53,355.21
  6. Step 6: Final answer
    x = 23,870.64

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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.