Home / 43,453.81-65,070.42-36,415.33

Finding the Fourth Proportional to 43,453.81, 65,070.42 and 36,415.33

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Solution

The fourth proportional to 43,453.81, 65,070.42 and 36,415.33 is: 54,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.81 : 65,070.42 = 36,415.33 : x
  2. Step 2: Convert to fraction form
    43,453.81/65,070.42 = 36,415.33/x
  3. Step 3: Cross multiply
    43,453.81x = 65,070.42 × 36,415.33
  4. Step 4: Simplify right side
    43,453.81x = 2,369,560,817.54
  5. Step 5: Solve for x
    x = 2,369,560,817.54/43,453.81
  6. Step 6: Final answer
    x = 54,530.57

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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.