Home / 30,723.44-42,403.75-29,321.03

Finding the Fourth Proportional to 30,723.44, 42,403.75 and 29,321.03

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Solution

The fourth proportional to 30,723.44, 42,403.75 and 29,321.03 is: 40,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.44 : 42,403.75 = 29,321.03 : x
  2. Step 2: Convert to fraction form
    30,723.44/42,403.75 = 29,321.03/x
  3. Step 3: Cross multiply
    30,723.44x = 42,403.75 × 29,321.03
  4. Step 4: Simplify right side
    30,723.44x = 1,243,321,658.57
  5. Step 5: Solve for x
    x = 1,243,321,658.57/30,723.44
  6. Step 6: Final answer
    x = 40,468.19

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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.