Home / 34,816.64-52,171.20-20,748.80

Finding the Fourth Proportional to 34,816.64, 52,171.20 and 20,748.80

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Solution

The fourth proportional to 34,816.64, 52,171.20 and 20,748.80 is: 31,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,816.64 : 52,171.20 = 20,748.80 : x
  2. Step 2: Convert to fraction form
    34,816.64/52,171.20 = 20,748.80/x
  3. Step 3: Cross multiply
    34,816.64x = 52,171.20 × 20,748.80
  4. Step 4: Simplify right side
    34,816.64x = 1,082,489,794.56
  5. Step 5: Solve for x
    x = 1,082,489,794.56/34,816.64
  6. Step 6: Final answer
    x = 31,091.16

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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.