Home / 33,219.40-49,828.02-13,492.12

Finding the Fourth Proportional to 33,219.40, 49,828.02 and 13,492.12

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Solution

The fourth proportional to 33,219.40, 49,828.02 and 13,492.12 is: 20,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.40 : 49,828.02 = 13,492.12 : x
  2. Step 2: Convert to fraction form
    33,219.40/49,828.02 = 13,492.12/x
  3. Step 3: Cross multiply
    33,219.40x = 49,828.02 × 13,492.12
  4. Step 4: Simplify right side
    33,219.40x = 672,285,625.20
  5. Step 5: Solve for x
    x = 672,285,625.20/33,219.40
  6. Step 6: Final answer
    x = 20,237.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.