Home / 30,312.90-41,828.94-16,882.56

Finding the Fourth Proportional to 30,312.90, 41,828.94 and 16,882.56

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Solution

The fourth proportional to 30,312.90, 41,828.94 and 16,882.56 is: 23,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.90 : 41,828.94 = 16,882.56 : x
  2. Step 2: Convert to fraction form
    30,312.90/41,828.94 = 16,882.56/x
  3. Step 3: Cross multiply
    30,312.90x = 41,828.94 × 16,882.56
  4. Step 4: Simplify right side
    30,312.90x = 706,179,589.29
  5. Step 5: Solve for x
    x = 706,179,589.29/30,312.90
  6. Step 6: Final answer
    x = 23,296.34

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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.