Home / 20,078.82-30,118.30-6,039.02

Finding the Fourth Proportional to 20,078.82, 30,118.30 and 6,039.02

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Solution

The fourth proportional to 20,078.82, 30,118.30 and 6,039.02 is: 9,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078.82 : 30,118.30 = 6,039.02 : x
  2. Step 2: Convert to fraction form
    20,078.82/30,118.30 = 6,039.02/x
  3. Step 3: Cross multiply
    20,078.82x = 30,118.30 × 6,039.02
  4. Step 4: Simplify right side
    20,078.82x = 181,885,076.26
  5. Step 5: Solve for x
    x = 181,885,076.26/20,078.82
  6. Step 6: Final answer
    x = 9,058.55

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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.