Home / 34,540.36-51,802.80-13,480.90

Finding the Fourth Proportional to 34,540.36, 51,802.80 and 13,480.90

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Solution

The fourth proportional to 34,540.36, 51,802.80 and 13,480.90 is: 20,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.36 : 51,802.80 = 13,480.90 : x
  2. Step 2: Convert to fraction form
    34,540.36/51,802.80 = 13,480.90/x
  3. Step 3: Cross multiply
    34,540.36x = 51,802.80 × 13,480.90
  4. Step 4: Simplify right side
    34,540.36x = 698,348,366.52
  5. Step 5: Solve for x
    x = 698,348,366.52/34,540.36
  6. Step 6: Final answer
    x = 20,218.33

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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.