Home / 30,257.57-41,752.02-16,828.01

Finding the Fourth Proportional to 30,257.57, 41,752.02 and 16,828.01

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Solution

The fourth proportional to 30,257.57, 41,752.02 and 16,828.01 is: 23,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.57 : 41,752.02 = 16,828.01 : x
  2. Step 2: Convert to fraction form
    30,257.57/41,752.02 = 16,828.01/x
  3. Step 3: Cross multiply
    30,257.57x = 41,752.02 × 16,828.01
  4. Step 4: Simplify right side
    30,257.57x = 702,603,410.08
  5. Step 5: Solve for x
    x = 702,603,410.08/30,257.57
  6. Step 6: Final answer
    x = 23,220.75

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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.