Home / 30,659.09-42,309.68-17,234.96

Finding the Fourth Proportional to 30,659.09, 42,309.68 and 17,234.96

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Solution

The fourth proportional to 30,659.09, 42,309.68 and 17,234.96 is: 23,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.09 : 42,309.68 = 17,234.96 : x
  2. Step 2: Convert to fraction form
    30,659.09/42,309.68 = 17,234.96/x
  3. Step 3: Cross multiply
    30,659.09x = 42,309.68 × 17,234.96
  4. Step 4: Simplify right side
    30,659.09x = 729,205,344.69
  5. Step 5: Solve for x
    x = 729,205,344.69/30,659.09
  6. Step 6: Final answer
    x = 23,784.32

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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.