Home / 45,381.71-62,583.30-30,043.98

Finding the Fourth Proportional to 45,381.71, 62,583.30 and 30,043.98

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Solution

The fourth proportional to 45,381.71, 62,583.30 and 30,043.98 is: 41,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.71 : 62,583.30 = 30,043.98 : x
  2. Step 2: Convert to fraction form
    45,381.71/62,583.30 = 30,043.98/x
  3. Step 3: Cross multiply
    45,381.71x = 62,583.30 × 30,043.98
  4. Step 4: Simplify right side
    45,381.71x = 1,880,251,413.53
  5. Step 5: Solve for x
    x = 1,880,251,413.53/45,381.71
  6. Step 6: Final answer
    x = 41,431.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.