Home / 30,395.84-41,963.70-23,169.02

Finding the Fourth Proportional to 30,395.84, 41,963.70 and 23,169.02

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Solution

The fourth proportional to 30,395.84, 41,963.70 and 23,169.02 is: 31,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.84 : 41,963.70 = 23,169.02 : x
  2. Step 2: Convert to fraction form
    30,395.84/41,963.70 = 23,169.02/x
  3. Step 3: Cross multiply
    30,395.84x = 41,963.70 × 23,169.02
  4. Step 4: Simplify right side
    30,395.84x = 972,257,804.57
  5. Step 5: Solve for x
    x = 972,257,804.57/30,395.84
  6. Step 6: Final answer
    x = 31,986.54

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1.5x scale

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.