Home / 29,821.79-41,153.60-16,392.76

Finding the Fourth Proportional to 29,821.79, 41,153.60 and 16,392.76

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Solution

The fourth proportional to 29,821.79, 41,153.60 and 16,392.76 is: 22,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.79 : 41,153.60 = 16,392.76 : x
  2. Step 2: Convert to fraction form
    29,821.79/41,153.60 = 16,392.76/x
  3. Step 3: Cross multiply
    29,821.79x = 41,153.60 × 16,392.76
  4. Step 4: Simplify right side
    29,821.79x = 674,621,087.94
  5. Step 5: Solve for x
    x = 674,621,087.94/29,821.79
  6. Step 6: Final answer
    x = 22,621.75

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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.