Home / 30,891.06-42,635.97-17,462.88

Finding the Fourth Proportional to 30,891.06, 42,635.97 and 17,462.88

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Solution

The fourth proportional to 30,891.06, 42,635.97 and 17,462.88 is: 24,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.06 : 42,635.97 = 17,462.88 : x
  2. Step 2: Convert to fraction form
    30,891.06/42,635.97 = 17,462.88/x
  3. Step 3: Cross multiply
    30,891.06x = 42,635.97 × 17,462.88
  4. Step 4: Simplify right side
    30,891.06x = 744,546,827.79
  5. Step 5: Solve for x
    x = 744,546,827.79/30,891.06
  6. Step 6: Final answer
    x = 24,102.34

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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.