Home / 30,149.55-41,606.39-16,720.97

Finding the Fourth Proportional to 30,149.55, 41,606.39 and 16,720.97

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Solution

The fourth proportional to 30,149.55, 41,606.39 and 16,720.97 is: 23,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.55 : 41,606.39 = 16,720.97 : x
  2. Step 2: Convert to fraction form
    30,149.55/41,606.39 = 16,720.97/x
  3. Step 3: Cross multiply
    30,149.55x = 41,606.39 × 16,720.97
  4. Step 4: Simplify right side
    30,149.55x = 695,699,032.77
  5. Step 5: Solve for x
    x = 695,699,032.77/30,149.55
  6. Step 6: Final answer
    x = 23,074.94

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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.