Home / 20,030.06-30,026.72-6,879.44

Finding the Fourth Proportional to 20,030.06, 30,026.72 and 6,879.44

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Solution

The fourth proportional to 20,030.06, 30,026.72 and 6,879.44 is: 10,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.06 : 30,026.72 = 6,879.44 : x
  2. Step 2: Convert to fraction form
    20,030.06/30,026.72 = 6,879.44/x
  3. Step 3: Cross multiply
    20,030.06x = 30,026.72 × 6,879.44
  4. Step 4: Simplify right side
    20,030.06x = 206,567,018.64
  5. Step 5: Solve for x
    x = 206,567,018.64/20,030.06
  6. Step 6: Final answer
    x = 10,312.85

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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.