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Finding the Fourth Proportional to 20,041.98, 30,068.74 and 6,003.06

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Solution

The fourth proportional to 20,041.98, 30,068.74 and 6,003.06 is: 9,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.98 : 30,068.74 = 6,003.06 : x
  2. Step 2: Convert to fraction form
    20,041.98/30,068.74 = 6,003.06/x
  3. Step 3: Cross multiply
    20,041.98x = 30,068.74 × 6,003.06
  4. Step 4: Simplify right side
    20,041.98x = 180,504,450.34
  5. Step 5: Solve for x
    x = 180,504,450.34/20,041.98
  6. Step 6: Final answer
    x = 9,006.32

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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.