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Finding the Fourth Proportional to 30,201.49, 45,304.49 and 8,014.38

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Solution

The fourth proportional to 30,201.49, 45,304.49 and 8,014.38 is: 12,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.49 : 45,304.49 = 8,014.38 : x
  2. Step 2: Convert to fraction form
    30,201.49/45,304.49 = 8,014.38/x
  3. Step 3: Cross multiply
    30,201.49x = 45,304.49 × 8,014.38
  4. Step 4: Simplify right side
    30,201.49x = 363,087,398.57
  5. Step 5: Solve for x
    x = 363,087,398.57/30,201.49
  6. Step 6: Final answer
    x = 12,022.17

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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.