Home / 30,219.52-41,703.68-16,791.34

Finding the Fourth Proportional to 30,219.52, 41,703.68 and 16,791.34

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Solution

The fourth proportional to 30,219.52, 41,703.68 and 16,791.34 is: 23,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.52 : 41,703.68 = 16,791.34 : x
  2. Step 2: Convert to fraction form
    30,219.52/41,703.68 = 16,791.34/x
  3. Step 3: Cross multiply
    30,219.52x = 41,703.68 × 16,791.34
  4. Step 4: Simplify right side
    30,219.52x = 700,260,670.13
  5. Step 5: Solve for x
    x = 700,260,670.13/30,219.52
  6. Step 6: Final answer
    x = 23,172.46

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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.