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Finding the Fourth Proportional to 20,030.94, 30,020.11 and 14,741.18

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Solution

The fourth proportional to 20,030.94, 30,020.11 and 14,741.18 is: 22,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.94 : 30,020.11 = 14,741.18 : x
  2. Step 2: Convert to fraction form
    20,030.94/30,020.11 = 14,741.18/x
  3. Step 3: Cross multiply
    20,030.94x = 30,020.11 × 14,741.18
  4. Step 4: Simplify right side
    20,030.94x = 442,531,845.13
  5. Step 5: Solve for x
    x = 442,531,845.13/20,030.94
  6. Step 6: Final answer
    x = 22,092.42

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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.