Home / 32,980.28-45,496.94-21,645.24

Finding the Fourth Proportional to 32,980.28, 45,496.94 and 21,645.24

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Solution

The fourth proportional to 32,980.28, 45,496.94 and 21,645.24 is: 29,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.28 : 45,496.94 = 21,645.24 : x
  2. Step 2: Convert to fraction form
    32,980.28/45,496.94 = 21,645.24/x
  3. Step 3: Cross multiply
    32,980.28x = 45,496.94 × 21,645.24
  4. Step 4: Simplify right side
    32,980.28x = 984,792,185.57
  5. Step 5: Solve for x
    x = 984,792,185.57/32,980.28
  6. Step 6: Final answer
    x = 29,860.03

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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.