Home / 42,035.46-62,962.74-19,815.54

Finding the Fourth Proportional to 42,035.46, 62,962.74 and 19,815.54

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Solution

The fourth proportional to 42,035.46, 62,962.74 and 19,815.54 is: 29,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.46 : 62,962.74 = 19,815.54 : x
  2. Step 2: Convert to fraction form
    42,035.46/62,962.74 = 19,815.54/x
  3. Step 3: Cross multiply
    42,035.46x = 62,962.74 × 19,815.54
  4. Step 4: Simplify right side
    42,035.46x = 1,247,640,692.98
  5. Step 5: Solve for x
    x = 1,247,640,692.98/42,035.46
  6. Step 6: Final answer
    x = 29,680.67

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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.