Home / 54,366.48-81,520.20-16,910.28

Finding the Fourth Proportional to 54,366.48, 81,520.20 and 16,910.28

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Solution

The fourth proportional to 54,366.48, 81,520.20 and 16,910.28 is: 25,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.48 : 81,520.20 = 16,910.28 : x
  2. Step 2: Convert to fraction form
    54,366.48/81,520.20 = 16,910.28/x
  3. Step 3: Cross multiply
    54,366.48x = 81,520.20 × 16,910.28
  4. Step 4: Simplify right side
    54,366.48x = 1,378,529,407.66
  5. Step 5: Solve for x
    x = 1,378,529,407.66/54,366.48
  6. Step 6: Final answer
    x = 25,356.24

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1.5x scale

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.