Home / 30,817.37-42,527.97-16,670.22

Finding the Fourth Proportional to 30,817.37, 42,527.97 and 16,670.22

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Solution

The fourth proportional to 30,817.37, 42,527.97 and 16,670.22 is: 23,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,817.37 : 42,527.97 = 16,670.22 : x
  2. Step 2: Convert to fraction form
    30,817.37/42,527.97 = 16,670.22/x
  3. Step 3: Cross multiply
    30,817.37x = 42,527.97 × 16,670.22
  4. Step 4: Simplify right side
    30,817.37x = 708,950,616.05
  5. Step 5: Solve for x
    x = 708,950,616.05/30,817.37
  6. Step 6: Final answer
    x = 23,004.91

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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.