Home / 37,243.23-51,388.31-20,890.98

Finding the Fourth Proportional to 37,243.23, 51,388.31 and 20,890.98

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Solution

The fourth proportional to 37,243.23, 51,388.31 and 20,890.98 is: 28,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,243.23 : 51,388.31 = 20,890.98 : x
  2. Step 2: Convert to fraction form
    37,243.23/51,388.31 = 20,890.98/x
  3. Step 3: Cross multiply
    37,243.23x = 51,388.31 × 20,890.98
  4. Step 4: Simplify right side
    37,243.23x = 1,073,552,051.99
  5. Step 5: Solve for x
    x = 1,073,552,051.99/37,243.23
  6. Step 6: Final answer
    x = 28,825.43

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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.