Home / 33,172.56-49,703.40-14,424.51

Finding the Fourth Proportional to 33,172.56, 49,703.40 and 14,424.51

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Solution

The fourth proportional to 33,172.56, 49,703.40 and 14,424.51 is: 21,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.56 : 49,703.40 = 14,424.51 : x
  2. Step 2: Convert to fraction form
    33,172.56/49,703.40 = 14,424.51/x
  3. Step 3: Cross multiply
    33,172.56x = 49,703.40 × 14,424.51
  4. Step 4: Simplify right side
    33,172.56x = 716,947,190.33
  5. Step 5: Solve for x
    x = 716,947,190.33/33,172.56
  6. Step 6: Final answer
    x = 21,612.66

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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.