Home / 30,676.82-42,333.27-17,248.02

Finding the Fourth Proportional to 30,676.82, 42,333.27 and 17,248.02

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Solution

The fourth proportional to 30,676.82, 42,333.27 and 17,248.02 is: 23,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.82 : 42,333.27 = 17,248.02 : x
  2. Step 2: Convert to fraction form
    30,676.82/42,333.27 = 17,248.02/x
  3. Step 3: Cross multiply
    30,676.82x = 42,333.27 × 17,248.02
  4. Step 4: Simplify right side
    30,676.82x = 730,165,087.63
  5. Step 5: Solve for x
    x = 730,165,087.63/30,676.82
  6. Step 6: Final answer
    x = 23,801.85

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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.