Home / 51,418.80-77,124.96-16,383.60

Finding the Fourth Proportional to 51,418.80, 77,124.96 and 16,383.60

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Solution

The fourth proportional to 51,418.80, 77,124.96 and 16,383.60 is: 24,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418.80 : 77,124.96 = 16,383.60 : x
  2. Step 2: Convert to fraction form
    51,418.80/77,124.96 = 16,383.60/x
  3. Step 3: Cross multiply
    51,418.80x = 77,124.96 × 16,383.60
  4. Step 4: Simplify right side
    51,418.80x = 1,263,584,494.66
  5. Step 5: Solve for x
    x = 1,263,584,494.66/51,418.80
  6. Step 6: Final answer
    x = 24,574.37

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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.