Home / 30,769.26-42,461.44-16,622.07

Finding the Fourth Proportional to 30,769.26, 42,461.44 and 16,622.07

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Solution

The fourth proportional to 30,769.26, 42,461.44 and 16,622.07 is: 22,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.26 : 42,461.44 = 16,622.07 : x
  2. Step 2: Convert to fraction form
    30,769.26/42,461.44 = 16,622.07/x
  3. Step 3: Cross multiply
    30,769.26x = 42,461.44 × 16,622.07
  4. Step 4: Simplify right side
    30,769.26x = 705,797,027.98
  5. Step 5: Solve for x
    x = 705,797,027.98/30,769.26
  6. Step 6: Final answer
    x = 22,938.38

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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.