Home / 49,367.86-74,040.35-13,831.67

Finding the Fourth Proportional to 49,367.86, 74,040.35 and 13,831.67

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Solution

The fourth proportional to 49,367.86, 74,040.35 and 13,831.67 is: 20,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,367.86 : 74,040.35 = 13,831.67 : x
  2. Step 2: Convert to fraction form
    49,367.86/74,040.35 = 13,831.67/x
  3. Step 3: Cross multiply
    49,367.86x = 74,040.35 × 13,831.67
  4. Step 4: Simplify right side
    49,367.86x = 1,024,101,803.83
  5. Step 5: Solve for x
    x = 1,024,101,803.83/49,367.86
  6. Step 6: Final answer
    x = 20,744.30

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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.