Home / 30,481.18-42,064.92-17,052.12

Finding the Fourth Proportional to 30,481.18, 42,064.92 and 17,052.12

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Solution

The fourth proportional to 30,481.18, 42,064.92 and 17,052.12 is: 23,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.18 : 42,064.92 = 17,052.12 : x
  2. Step 2: Convert to fraction form
    30,481.18/42,064.92 = 17,052.12/x
  3. Step 3: Cross multiply
    30,481.18x = 42,064.92 × 17,052.12
  4. Step 4: Simplify right side
    30,481.18x = 717,296,063.63
  5. Step 5: Solve for x
    x = 717,296,063.63/30,481.18
  6. Step 6: Final answer
    x = 23,532.43

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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.