Home / 20,541.41-30,764.93-13,044.42

Finding the Fourth Proportional to 20,541.41, 30,764.93 and 13,044.42

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Solution

The fourth proportional to 20,541.41, 30,764.93 and 13,044.42 is: 19,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.41 : 30,764.93 = 13,044.42 : x
  2. Step 2: Convert to fraction form
    20,541.41/30,764.93 = 13,044.42/x
  3. Step 3: Cross multiply
    20,541.41x = 30,764.93 × 13,044.42
  4. Step 4: Simplify right side
    20,541.41x = 401,310,602.97
  5. Step 5: Solve for x
    x = 401,310,602.97/20,541.41
  6. Step 6: Final answer
    x = 19,536.67

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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.