Home / 20,018.06-30,028.60-5,976.98

Finding the Fourth Proportional to 20,018.06, 30,028.60 and 5,976.98

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Solution

The fourth proportional to 20,018.06, 30,028.60 and 5,976.98 is: 8,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.06 : 30,028.60 = 5,976.98 : x
  2. Step 2: Convert to fraction form
    20,018.06/30,028.60 = 5,976.98/x
  3. Step 3: Cross multiply
    20,018.06x = 30,028.60 × 5,976.98
  4. Step 4: Simplify right side
    20,018.06x = 179,480,341.63
  5. Step 5: Solve for x
    x = 179,480,341.63/20,018.06
  6. Step 6: Final answer
    x = 8,965.92

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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.