Home / 34,222.67-47,226.78-19,115.55

Finding the Fourth Proportional to 34,222.67, 47,226.78 and 19,115.55

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Solution

The fourth proportional to 34,222.67, 47,226.78 and 19,115.55 is: 26,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.67 : 47,226.78 = 19,115.55 : x
  2. Step 2: Convert to fraction form
    34,222.67/47,226.78 = 19,115.55/x
  3. Step 3: Cross multiply
    34,222.67x = 47,226.78 × 19,115.55
  4. Step 4: Simplify right side
    34,222.67x = 902,765,874.43
  5. Step 5: Solve for x
    x = 902,765,874.43/34,222.67
  6. Step 6: Final answer
    x = 26,379.18

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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.