Home / 45,900.22-68,853.66-19,219.38

Finding the Fourth Proportional to 45,900.22, 68,853.66 and 19,219.38

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Solution

The fourth proportional to 45,900.22, 68,853.66 and 19,219.38 is: 28,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900.22 : 68,853.66 = 19,219.38 : x
  2. Step 2: Convert to fraction form
    45,900.22/68,853.66 = 19,219.38/x
  3. Step 3: Cross multiply
    45,900.22x = 68,853.66 × 19,219.38
  4. Step 4: Simplify right side
    45,900.22x = 1,323,324,655.93
  5. Step 5: Solve for x
    x = 1,323,324,655.93/45,900.22
  6. Step 6: Final answer
    x = 28,830.46

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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.