Home / 55,880.32-83,821.20-16,438.28

Finding the Fourth Proportional to 55,880.32, 83,821.20 and 16,438.28

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Solution

The fourth proportional to 55,880.32, 83,821.20 and 16,438.28 is: 24,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880.32 : 83,821.20 = 16,438.28 : x
  2. Step 2: Convert to fraction form
    55,880.32/83,821.20 = 16,438.28/x
  3. Step 3: Cross multiply
    55,880.32x = 83,821.20 × 16,438.28
  4. Step 4: Simplify right side
    55,880.32x = 1,377,876,355.54
  5. Step 5: Solve for x
    x = 1,377,876,355.54/55,880.32
  6. Step 6: Final answer
    x = 24,657.63

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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.