Home / 33,123.15-49,684.73-21,313.35

Finding the Fourth Proportional to 33,123.15, 49,684.73 and 21,313.35

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Solution

The fourth proportional to 33,123.15, 49,684.73 and 21,313.35 is: 31,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.15 : 49,684.73 = 21,313.35 : x
  2. Step 2: Convert to fraction form
    33,123.15/49,684.73 = 21,313.35/x
  3. Step 3: Cross multiply
    33,123.15x = 49,684.73 × 21,313.35
  4. Step 4: Simplify right side
    33,123.15x = 1,058,947,933.58
  5. Step 5: Solve for x
    x = 1,058,947,933.58/33,123.15
  6. Step 6: Final answer
    x = 31,970.03

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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.