Home / 65,623.23-98,450.49-21,250

Finding the Fourth Proportional to 65,623.23, 98,450.49 and 21,250

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Solution

The fourth proportional to 65,623.23, 98,450.49 and 21,250 is: 31,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.23 : 98,450.49 = 21,250 : x
  2. Step 2: Convert to fraction form
    65,623.23/98,450.49 = 21,250/x
  3. Step 3: Cross multiply
    65,623.23x = 98,450.49 × 21,250
  4. Step 4: Simplify right side
    65,623.23x = 2,092,072,912.50
  5. Step 5: Solve for x
    x = 2,092,072,912.50/65,623.23
  6. Step 6: Final answer
    x = 31,880.07

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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.