Home / 40,579.92-60,845.49-16,858.80

Finding the Fourth Proportional to 40,579.92, 60,845.49 and 16,858.80

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Solution

The fourth proportional to 40,579.92, 60,845.49 and 16,858.80 is: 25,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.92 : 60,845.49 = 16,858.80 : x
  2. Step 2: Convert to fraction form
    40,579.92/60,845.49 = 16,858.80/x
  3. Step 3: Cross multiply
    40,579.92x = 60,845.49 × 16,858.80
  4. Step 4: Simplify right side
    40,579.92x = 1,025,781,946.81
  5. Step 5: Solve for x
    x = 1,025,781,946.81/40,579.92
  6. Step 6: Final answer
    x = 25,278.07

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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.