Home / 73,749.18-110,624.37-21,160.33

Finding the Fourth Proportional to 73,749.18, 110,624.37 and 21,160.33

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Solution

The fourth proportional to 73,749.18, 110,624.37 and 21,160.33 is: 31,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.18 : 110,624.37 = 21,160.33 : x
  2. Step 2: Convert to fraction form
    73,749.18/110,624.37 = 21,160.33/x
  3. Step 3: Cross multiply
    73,749.18x = 110,624.37 × 21,160.33
  4. Step 4: Simplify right side
    73,749.18x = 2,340,848,175.24
  5. Step 5: Solve for x
    x = 2,340,848,175.24/73,749.18
  6. Step 6: Final answer
    x = 31,740.67

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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.