Home / 43,358.22-65,037.35-12,193.47

Finding the Fourth Proportional to 43,358.22, 65,037.35 and 12,193.47

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Solution

The fourth proportional to 43,358.22, 65,037.35 and 12,193.47 is: 18,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.22 : 65,037.35 = 12,193.47 : x
  2. Step 2: Convert to fraction form
    43,358.22/65,037.35 = 12,193.47/x
  3. Step 3: Cross multiply
    43,358.22x = 65,037.35 × 12,193.47
  4. Step 4: Simplify right side
    43,358.22x = 793,030,976.10
  5. Step 5: Solve for x
    x = 793,030,976.10/43,358.22
  6. Step 6: Final answer
    x = 18,290.21

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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.