Home / 29,102.58-40,161.15-19,047.78

Finding the Fourth Proportional to 29,102.58, 40,161.15 and 19,047.78

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Solution

The fourth proportional to 29,102.58, 40,161.15 and 19,047.78 is: 26,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.58 : 40,161.15 = 19,047.78 : x
  2. Step 2: Convert to fraction form
    29,102.58/40,161.15 = 19,047.78/x
  3. Step 3: Cross multiply
    29,102.58x = 40,161.15 × 19,047.78
  4. Step 4: Simplify right side
    29,102.58x = 764,980,749.75
  5. Step 5: Solve for x
    x = 764,980,749.75/29,102.58
  6. Step 6: Final answer
    x = 26,285.67

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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.