Home / 37,220.80-51,362.02-21,083.48

Finding the Fourth Proportional to 37,220.80, 51,362.02 and 21,083.48

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Solution

The fourth proportional to 37,220.80, 51,362.02 and 21,083.48 is: 29,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.80 : 51,362.02 = 21,083.48 : x
  2. Step 2: Convert to fraction form
    37,220.80/51,362.02 = 21,083.48/x
  3. Step 3: Cross multiply
    37,220.80x = 51,362.02 × 21,083.48
  4. Step 4: Simplify right side
    37,220.80x = 1,082,890,121.43
  5. Step 5: Solve for x
    x = 1,082,890,121.43/37,220.80
  6. Step 6: Final answer
    x = 29,093.68

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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.