Home / 30,179.72-41,653-16,755.28

Finding the Fourth Proportional to 30,179.72, 41,653 and 16,755.28

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Solution

The fourth proportional to 30,179.72, 41,653 and 16,755.28 is: 23,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.72 : 41,653 = 16,755.28 : x
  2. Step 2: Convert to fraction form
    30,179.72/41,653 = 16,755.28/x
  3. Step 3: Cross multiply
    30,179.72x = 41,653 × 16,755.28
  4. Step 4: Simplify right side
    30,179.72x = 697,907,677.84
  5. Step 5: Solve for x
    x = 697,907,677.84/30,179.72
  6. Step 6: Final answer
    x = 23,125.05

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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.