Home / 30,485.03-45,732.29-18,014.04

Finding the Fourth Proportional to 30,485.03, 45,732.29 and 18,014.04

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Solution

The fourth proportional to 30,485.03, 45,732.29 and 18,014.04 is: 27,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.03 : 45,732.29 = 18,014.04 : x
  2. Step 2: Convert to fraction form
    30,485.03/45,732.29 = 18,014.04/x
  3. Step 3: Cross multiply
    30,485.03x = 45,732.29 × 18,014.04
  4. Step 4: Simplify right side
    30,485.03x = 823,823,211.28
  5. Step 5: Solve for x
    x = 823,823,211.28/30,485.03
  6. Step 6: Final answer
    x = 27,023.87

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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.