Home / 31,330.86-43,237.26-17,183.67

Finding the Fourth Proportional to 31,330.86, 43,237.26 and 17,183.67

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Solution

The fourth proportional to 31,330.86, 43,237.26 and 17,183.67 is: 23,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.86 : 43,237.26 = 17,183.67 : x
  2. Step 2: Convert to fraction form
    31,330.86/43,237.26 = 17,183.67/x
  3. Step 3: Cross multiply
    31,330.86x = 43,237.26 × 17,183.67
  4. Step 4: Simplify right side
    31,330.86x = 742,974,807.54
  5. Step 5: Solve for x
    x = 742,974,807.54/31,330.86
  6. Step 6: Final answer
    x = 23,713.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.