Home / 30,149.67-41,606.53-16,722.98

Finding the Fourth Proportional to 30,149.67, 41,606.53 and 16,722.98

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Solution

The fourth proportional to 30,149.67, 41,606.53 and 16,722.98 is: 23,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.67 : 41,606.53 = 16,722.98 : x
  2. Step 2: Convert to fraction form
    30,149.67/41,606.53 = 16,722.98/x
  3. Step 3: Cross multiply
    30,149.67x = 41,606.53 × 16,722.98
  4. Step 4: Simplify right side
    30,149.67x = 695,785,169.06
  5. Step 5: Solve for x
    x = 695,785,169.06/30,149.67
  6. Step 6: Final answer
    x = 23,077.70

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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.