Home / 34,721.36-47,918.44-19,616.80

Finding the Fourth Proportional to 34,721.36, 47,918.44 and 19,616.80

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Solution

The fourth proportional to 34,721.36, 47,918.44 and 19,616.80 is: 27,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.36 : 47,918.44 = 19,616.80 : x
  2. Step 2: Convert to fraction form
    34,721.36/47,918.44 = 19,616.80/x
  3. Step 3: Cross multiply
    34,721.36x = 47,918.44 × 19,616.80
  4. Step 4: Simplify right side
    34,721.36x = 940,006,453.79
  5. Step 5: Solve for x
    x = 940,006,453.79/34,721.36
  6. Step 6: Final answer
    x = 27,072.86

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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.