Home / 29,816.20-41,102.13-21,845.80

Finding the Fourth Proportional to 29,816.20, 41,102.13 and 21,845.80

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Solution

The fourth proportional to 29,816.20, 41,102.13 and 21,845.80 is: 30,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,816.20 : 41,102.13 = 21,845.80 : x
  2. Step 2: Convert to fraction form
    29,816.20/41,102.13 = 21,845.80/x
  3. Step 3: Cross multiply
    29,816.20x = 41,102.13 × 21,845.80
  4. Step 4: Simplify right side
    29,816.20x = 897,908,911.55
  5. Step 5: Solve for x
    x = 897,908,911.55/29,816.20
  6. Step 6: Final answer
    x = 30,114.80

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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.