Home / 33,106.08-45,688.64-18,202.08

Finding the Fourth Proportional to 33,106.08, 45,688.64 and 18,202.08

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Solution

The fourth proportional to 33,106.08, 45,688.64 and 18,202.08 is: 25,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.08 : 45,688.64 = 18,202.08 : x
  2. Step 2: Convert to fraction form
    33,106.08/45,688.64 = 18,202.08/x
  3. Step 3: Cross multiply
    33,106.08x = 45,688.64 × 18,202.08
  4. Step 4: Simplify right side
    33,106.08x = 831,628,280.37
  5. Step 5: Solve for x
    x = 831,628,280.37/33,106.08
  6. Step 6: Final answer
    x = 25,120.11

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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.