Home / 22,961.40-34,369.20-21,211.80

Finding the Fourth Proportional to 22,961.40, 34,369.20 and 21,211.80

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Solution

The fourth proportional to 22,961.40, 34,369.20 and 21,211.80 is: 31,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961.40 : 34,369.20 = 21,211.80 : x
  2. Step 2: Convert to fraction form
    22,961.40/34,369.20 = 21,211.80/x
  3. Step 3: Cross multiply
    22,961.40x = 34,369.20 × 21,211.80
  4. Step 4: Simplify right side
    22,961.40x = 729,032,596.56
  5. Step 5: Solve for x
    x = 729,032,596.56/22,961.40
  6. Step 6: Final answer
    x = 31,750.35

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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.