Home / 30,149.70-41,606.68-16,722.18

Finding the Fourth Proportional to 30,149.70, 41,606.68 and 16,722.18

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Solution

The fourth proportional to 30,149.70, 41,606.68 and 16,722.18 is: 23,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.70 : 41,606.68 = 16,722.18 : x
  2. Step 2: Convert to fraction form
    30,149.70/41,606.68 = 16,722.18/x
  3. Step 3: Cross multiply
    30,149.70x = 41,606.68 × 16,722.18
  4. Step 4: Simplify right side
    30,149.70x = 695,754,392.16
  5. Step 5: Solve for x
    x = 695,754,392.16/30,149.70
  6. Step 6: Final answer
    x = 23,076.66

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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.