Home / 33,328.92-45,993.42-18,221.64

Finding the Fourth Proportional to 33,328.92, 45,993.42 and 18,221.64

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Solution

The fourth proportional to 33,328.92, 45,993.42 and 18,221.64 is: 25,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,328.92 : 45,993.42 = 18,221.64 : x
  2. Step 2: Convert to fraction form
    33,328.92/45,993.42 = 18,221.64/x
  3. Step 3: Cross multiply
    33,328.92x = 45,993.42 × 18,221.64
  4. Step 4: Simplify right side
    33,328.92x = 838,075,541.61
  5. Step 5: Solve for x
    x = 838,075,541.61/33,328.92
  6. Step 6: Final answer
    x = 25,145.60

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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.