Home / 45,129.03-67,699.83-18,827.73

Finding the Fourth Proportional to 45,129.03, 67,699.83 and 18,827.73

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Solution

The fourth proportional to 45,129.03, 67,699.83 and 18,827.73 is: 28,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.03 : 67,699.83 = 18,827.73 : x
  2. Step 2: Convert to fraction form
    45,129.03/67,699.83 = 18,827.73/x
  3. Step 3: Cross multiply
    45,129.03x = 67,699.83 × 18,827.73
  4. Step 4: Simplify right side
    45,129.03x = 1,274,634,120.29
  5. Step 5: Solve for x
    x = 1,274,634,120.29/45,129.03
  6. Step 6: Final answer
    x = 28,244.22

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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.