Home / 49,601.16-74,445.48-20,040.21

Finding the Fourth Proportional to 49,601.16, 74,445.48 and 20,040.21

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Solution

The fourth proportional to 49,601.16, 74,445.48 and 20,040.21 is: 30,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.16 : 74,445.48 = 20,040.21 : x
  2. Step 2: Convert to fraction form
    49,601.16/74,445.48 = 20,040.21/x
  3. Step 3: Cross multiply
    49,601.16x = 74,445.48 × 20,040.21
  4. Step 4: Simplify right side
    49,601.16x = 1,491,903,052.75
  5. Step 5: Solve for x
    x = 1,491,903,052.75/49,601.16
  6. Step 6: Final answer
    x = 30,077.99

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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.