Home / 45,350.16-67,955.94-19,040.46

Finding the Fourth Proportional to 45,350.16, 67,955.94 and 19,040.46

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Solution

The fourth proportional to 45,350.16, 67,955.94 and 19,040.46 is: 28,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.16 : 67,955.94 = 19,040.46 : x
  2. Step 2: Convert to fraction form
    45,350.16/67,955.94 = 19,040.46/x
  3. Step 3: Cross multiply
    45,350.16x = 67,955.94 × 19,040.46
  4. Step 4: Simplify right side
    45,350.16x = 1,293,912,357.33
  5. Step 5: Solve for x
    x = 1,293,912,357.33/45,350.16
  6. Step 6: Final answer
    x = 28,531.59

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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.