Home / 30,882.19-42,616.31-17,453.15

Finding the Fourth Proportional to 30,882.19, 42,616.31 and 17,453.15

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Solution

The fourth proportional to 30,882.19, 42,616.31 and 17,453.15 is: 24,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.19 : 42,616.31 = 17,453.15 : x
  2. Step 2: Convert to fraction form
    30,882.19/42,616.31 = 17,453.15/x
  3. Step 3: Cross multiply
    30,882.19x = 42,616.31 × 17,453.15
  4. Step 4: Simplify right side
    30,882.19x = 743,788,850.88
  5. Step 5: Solve for x
    x = 743,788,850.88/30,882.19
  6. Step 6: Final answer
    x = 24,084.72

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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.