Home / 30,395.36-41,947.71-16,969.25

Finding the Fourth Proportional to 30,395.36, 41,947.71 and 16,969.25

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Solution

The fourth proportional to 30,395.36, 41,947.71 and 16,969.25 is: 23,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.36 : 41,947.71 = 16,969.25 : x
  2. Step 2: Convert to fraction form
    30,395.36/41,947.71 = 16,969.25/x
  3. Step 3: Cross multiply
    30,395.36x = 41,947.71 × 16,969.25
  4. Step 4: Simplify right side
    30,395.36x = 711,821,177.92
  5. Step 5: Solve for x
    x = 711,821,177.92/30,395.36
  6. Step 6: Final answer
    x = 23,418.74

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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.