Home / 33,129.41-45,719.81-18,984.99

Finding the Fourth Proportional to 33,129.41, 45,719.81 and 18,984.99

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Solution

The fourth proportional to 33,129.41, 45,719.81 and 18,984.99 is: 26,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.41 : 45,719.81 = 18,984.99 : x
  2. Step 2: Convert to fraction form
    33,129.41/45,719.81 = 18,984.99/x
  3. Step 3: Cross multiply
    33,129.41x = 45,719.81 × 18,984.99
  4. Step 4: Simplify right side
    33,129.41x = 867,990,040.73
  5. Step 5: Solve for x
    x = 867,990,040.73/33,129.41
  6. Step 6: Final answer
    x = 26,199.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.