Home / 30,191.36-41,665.38-16,762.62

Finding the Fourth Proportional to 30,191.36, 41,665.38 and 16,762.62

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Solution

The fourth proportional to 30,191.36, 41,665.38 and 16,762.62 is: 23,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.36 : 41,665.38 = 16,762.62 : x
  2. Step 2: Convert to fraction form
    30,191.36/41,665.38 = 16,762.62/x
  3. Step 3: Cross multiply
    30,191.36x = 41,665.38 × 16,762.62
  4. Step 4: Simplify right side
    30,191.36x = 698,420,723.77
  5. Step 5: Solve for x
    x = 698,420,723.77/30,191.36
  6. Step 6: Final answer
    x = 23,133.13

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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.