Home / 33,152.78-45,764.13-19,721.44

Finding the Fourth Proportional to 33,152.78, 45,764.13 and 19,721.44

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Solution

The fourth proportional to 33,152.78, 45,764.13 and 19,721.44 is: 27,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,152.78 : 45,764.13 = 19,721.44 : x
  2. Step 2: Convert to fraction form
    33,152.78/45,764.13 = 19,721.44/x
  3. Step 3: Cross multiply
    33,152.78x = 45,764.13 × 19,721.44
  4. Step 4: Simplify right side
    33,152.78x = 902,534,664.18
  5. Step 5: Solve for x
    x = 902,534,664.18/33,152.78
  6. Step 6: Final answer
    x = 27,223.50

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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.