Home / 43,037.55-64,556.37-13,455.54

Finding the Fourth Proportional to 43,037.55, 64,556.37 and 13,455.54

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Solution

The fourth proportional to 43,037.55, 64,556.37 and 13,455.54 is: 20,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.55 : 64,556.37 = 13,455.54 : x
  2. Step 2: Convert to fraction form
    43,037.55/64,556.37 = 13,455.54/x
  3. Step 3: Cross multiply
    43,037.55x = 64,556.37 × 13,455.54
  4. Step 4: Simplify right side
    43,037.55x = 868,640,818.79
  5. Step 5: Solve for x
    x = 868,640,818.79/43,037.55
  6. Step 6: Final answer
    x = 20,183.32

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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.