Home / 41,216.76-61,823.98-13,138.50

Finding the Fourth Proportional to 41,216.76, 61,823.98 and 13,138.50

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Solution

The fourth proportional to 41,216.76, 61,823.98 and 13,138.50 is: 19,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,216.76 : 61,823.98 = 13,138.50 : x
  2. Step 2: Convert to fraction form
    41,216.76/61,823.98 = 13,138.50/x
  3. Step 3: Cross multiply
    41,216.76x = 61,823.98 × 13,138.50
  4. Step 4: Simplify right side
    41,216.76x = 812,274,361.23
  5. Step 5: Solve for x
    x = 812,274,361.23/41,216.76
  6. Step 6: Final answer
    x = 19,707.38

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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.