Home / 20,058.03-30,087.41-5,268.21

Finding the Fourth Proportional to 20,058.03, 30,087.41 and 5,268.21

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Solution

The fourth proportional to 20,058.03, 30,087.41 and 5,268.21 is: 7,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.03 : 30,087.41 = 5,268.21 : x
  2. Step 2: Convert to fraction form
    20,058.03/30,087.41 = 5,268.21/x
  3. Step 3: Cross multiply
    20,058.03x = 30,087.41 × 5,268.21
  4. Step 4: Simplify right side
    20,058.03x = 158,506,767.90
  5. Step 5: Solve for x
    x = 158,506,767.90/20,058.03
  6. Step 6: Final answer
    x = 7,902.41

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1.5x scale

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.