Home / 43,382.39-65,040.59-30,019.87

Finding the Fourth Proportional to 43,382.39, 65,040.59 and 30,019.87

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Solution

The fourth proportional to 43,382.39, 65,040.59 and 30,019.87 is: 45,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,382.39 : 65,040.59 = 30,019.87 : x
  2. Step 2: Convert to fraction form
    43,382.39/65,040.59 = 30,019.87/x
  3. Step 3: Cross multiply
    43,382.39x = 65,040.59 × 30,019.87
  4. Step 4: Simplify right side
    43,382.39x = 1,952,510,056.52
  5. Step 5: Solve for x
    x = 1,952,510,056.52/43,382.39
  6. Step 6: Final answer
    x = 45,006.97

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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.