Home / 41,686.78-62,536.71-13,600.36

Finding the Fourth Proportional to 41,686.78, 62,536.71 and 13,600.36

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Solution

The fourth proportional to 41,686.78, 62,536.71 and 13,600.36 is: 20,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,686.78 : 62,536.71 = 13,600.36 : x
  2. Step 2: Convert to fraction form
    41,686.78/62,536.71 = 13,600.36/x
  3. Step 3: Cross multiply
    41,686.78x = 62,536.71 × 13,600.36
  4. Step 4: Simplify right side
    41,686.78x = 850,521,769.22
  5. Step 5: Solve for x
    x = 850,521,769.22/41,686.78
  6. Step 6: Final answer
    x = 20,402.67

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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.