Home / 42,092.70-63,138.51-12,107.67

Finding the Fourth Proportional to 42,092.70, 63,138.51 and 12,107.67

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Solution

The fourth proportional to 42,092.70, 63,138.51 and 12,107.67 is: 18,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,092.70 : 63,138.51 = 12,107.67 : x
  2. Step 2: Convert to fraction form
    42,092.70/63,138.51 = 12,107.67/x
  3. Step 3: Cross multiply
    42,092.70x = 63,138.51 × 12,107.67
  4. Step 4: Simplify right side
    42,092.70x = 764,460,243.37
  5. Step 5: Solve for x
    x = 764,460,243.37/42,092.70
  6. Step 6: Final answer
    x = 18,161.35

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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.