Home / 33,110.40-49,633.20-13,362.60

Finding the Fourth Proportional to 33,110.40, 49,633.20 and 13,362.60

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Solution

The fourth proportional to 33,110.40, 49,633.20 and 13,362.60 is: 20,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.40 : 49,633.20 = 13,362.60 : x
  2. Step 2: Convert to fraction form
    33,110.40/49,633.20 = 13,362.60/x
  3. Step 3: Cross multiply
    33,110.40x = 49,633.20 × 13,362.60
  4. Step 4: Simplify right side
    33,110.40x = 663,228,598.32
  5. Step 5: Solve for x
    x = 663,228,598.32/33,110.40
  6. Step 6: Final answer
    x = 20,030.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.