Home / 41,916.45-62,861.31-13,831.28

Finding the Fourth Proportional to 41,916.45, 62,861.31 and 13,831.28

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Solution

The fourth proportional to 41,916.45, 62,861.31 and 13,831.28 is: 20,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,916.45 : 62,861.31 = 13,831.28 : x
  2. Step 2: Convert to fraction form
    41,916.45/62,861.31 = 13,831.28/x
  3. Step 3: Cross multiply
    41,916.45x = 62,861.31 × 13,831.28
  4. Step 4: Simplify right side
    41,916.45x = 869,452,065.47
  5. Step 5: Solve for x
    x = 869,452,065.47/41,916.45
  6. Step 6: Final answer
    x = 20,742.50

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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.