Home / 30,425.48-41,986.71-16,996.92

Finding the Fourth Proportional to 30,425.48, 41,986.71 and 16,996.92

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Solution

The fourth proportional to 30,425.48, 41,986.71 and 16,996.92 is: 23,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.48 : 41,986.71 = 16,996.92 : x
  2. Step 2: Convert to fraction form
    30,425.48/41,986.71 = 16,996.92/x
  3. Step 3: Cross multiply
    30,425.48x = 41,986.71 × 16,996.92
  4. Step 4: Simplify right side
    30,425.48x = 713,644,750.93
  5. Step 5: Solve for x
    x = 713,644,750.93/30,425.48
  6. Step 6: Final answer
    x = 23,455.50

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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.