Home / 29,812.80-44,654.40-18,105.60

Finding the Fourth Proportional to 29,812.80, 44,654.40 and 18,105.60

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Solution

The fourth proportional to 29,812.80, 44,654.40 and 18,105.60 is: 27,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,812.80 : 44,654.40 = 18,105.60 : x
  2. Step 2: Convert to fraction form
    29,812.80/44,654.40 = 18,105.60/x
  3. Step 3: Cross multiply
    29,812.80x = 44,654.40 × 18,105.60
  4. Step 4: Simplify right side
    29,812.80x = 808,494,704.64
  5. Step 5: Solve for x
    x = 808,494,704.64/29,812.80
  6. Step 6: Final answer
    x = 27,119.05

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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.