Home / 45,812.36-68,653.74-19,490.60

Finding the Fourth Proportional to 45,812.36, 68,653.74 and 19,490.60

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Solution

The fourth proportional to 45,812.36, 68,653.74 and 19,490.60 is: 29,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.36 : 68,653.74 = 19,490.60 : x
  2. Step 2: Convert to fraction form
    45,812.36/68,653.74 = 19,490.60/x
  3. Step 3: Cross multiply
    45,812.36x = 68,653.74 × 19,490.60
  4. Step 4: Simplify right side
    45,812.36x = 1,338,102,584.84
  5. Step 5: Solve for x
    x = 1,338,102,584.84/45,812.36
  6. Step 6: Final answer
    x = 29,208.33

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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.