Home / 20,584.80-30,844.26-20,038.05

Finding the Fourth Proportional to 20,584.80, 30,844.26 and 20,038.05

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Solution

The fourth proportional to 20,584.80, 30,844.26 and 20,038.05 is: 30,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.80 : 30,844.26 = 20,038.05 : x
  2. Step 2: Convert to fraction form
    20,584.80/30,844.26 = 20,038.05/x
  3. Step 3: Cross multiply
    20,584.80x = 30,844.26 × 20,038.05
  4. Step 4: Simplify right side
    20,584.80x = 618,058,824.09
  5. Step 5: Solve for x
    x = 618,058,824.09/20,584.80
  6. Step 6: Final answer
    x = 30,025.01

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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.