Home / 23,211.67-34,740.48-21,136.45

Finding the Fourth Proportional to 23,211.67, 34,740.48 and 21,136.45

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Solution

The fourth proportional to 23,211.67, 34,740.48 and 21,136.45 is: 31,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.67 : 34,740.48 = 21,136.45 : x
  2. Step 2: Convert to fraction form
    23,211.67/34,740.48 = 21,136.45/x
  3. Step 3: Cross multiply
    23,211.67x = 34,740.48 × 21,136.45
  4. Step 4: Simplify right side
    23,211.67x = 734,290,244.79
  5. Step 5: Solve for x
    x = 734,290,244.79/23,211.67
  6. Step 6: Final answer
    x = 31,634.54

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1.5x scale

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.