Home / 23,003.10-34,504.65-20,743.20

Finding the Fourth Proportional to 23,003.10, 34,504.65 and 20,743.20

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Solution

The fourth proportional to 23,003.10, 34,504.65 and 20,743.20 is: 31,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,003.10 : 34,504.65 = 20,743.20 : x
  2. Step 2: Convert to fraction form
    23,003.10/34,504.65 = 20,743.20/x
  3. Step 3: Cross multiply
    23,003.10x = 34,504.65 × 20,743.20
  4. Step 4: Simplify right side
    23,003.10x = 715,736,855.88
  5. Step 5: Solve for x
    x = 715,736,855.88/23,003.10
  6. Step 6: Final answer
    x = 31,114.80

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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.