Home / 30,424.75-41,986.16-17,176.75

Finding the Fourth Proportional to 30,424.75, 41,986.16 and 17,176.75

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Solution

The fourth proportional to 30,424.75, 41,986.16 and 17,176.75 is: 23,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.75 : 41,986.16 = 17,176.75 : x
  2. Step 2: Convert to fraction form
    30,424.75/41,986.16 = 17,176.75/x
  3. Step 3: Cross multiply
    30,424.75x = 41,986.16 × 17,176.75
  4. Step 4: Simplify right side
    30,424.75x = 721,185,773.78
  5. Step 5: Solve for x
    x = 721,185,773.78/30,424.75
  6. Step 6: Final answer
    x = 23,703.92

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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.