Home / 30,670.42-42,324.07-17,242.92

Finding the Fourth Proportional to 30,670.42, 42,324.07 and 17,242.92

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Solution

The fourth proportional to 30,670.42, 42,324.07 and 17,242.92 is: 23,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.42 : 42,324.07 = 17,242.92 : x
  2. Step 2: Convert to fraction form
    30,670.42/42,324.07 = 17,242.92/x
  3. Step 3: Cross multiply
    30,670.42x = 42,324.07 × 17,242.92
  4. Step 4: Simplify right side
    30,670.42x = 729,790,553.08
  5. Step 5: Solve for x
    x = 729,790,553.08/30,670.42
  6. Step 6: Final answer
    x = 23,794.61

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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.