Home / 43,037.16-64,555.60-11,447.18

Finding the Fourth Proportional to 43,037.16, 64,555.60 and 11,447.18

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Solution

The fourth proportional to 43,037.16, 64,555.60 and 11,447.18 is: 17,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.16 : 64,555.60 = 11,447.18 : x
  2. Step 2: Convert to fraction form
    43,037.16/64,555.60 = 11,447.18/x
  3. Step 3: Cross multiply
    43,037.16x = 64,555.60 × 11,447.18
  4. Step 4: Simplify right side
    43,037.16x = 738,979,573.21
  5. Step 5: Solve for x
    x = 738,979,573.21/43,037.16
  6. Step 6: Final answer
    x = 17,170.73

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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.