Home / 30,571.04-42,197.00-19,962.33

Finding the Fourth Proportional to 30,571.04, 42,197.00 and 19,962.33

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Solution

The fourth proportional to 30,571.04, 42,197.00 and 19,962.33 is: 27,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,571.04 : 42,197.00 = 19,962.33 : x
  2. Step 2: Convert to fraction form
    30,571.04/42,197.00 = 19,962.33/x
  3. Step 3: Cross multiply
    30,571.04x = 42,197.00 × 19,962.33
  4. Step 4: Simplify right side
    30,571.04x = 842,350,339.20
  5. Step 5: Solve for x
    x = 842,350,339.20/30,571.04
  6. Step 6: Final answer
    x = 27,553.87

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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.