Home / 30,845.80-42,566.70-16,698.52

Finding the Fourth Proportional to 30,845.80, 42,566.70 and 16,698.52

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Solution

The fourth proportional to 30,845.80, 42,566.70 and 16,698.52 is: 23,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.80 : 42,566.70 = 16,698.52 : x
  2. Step 2: Convert to fraction form
    30,845.80/42,566.70 = 16,698.52/x
  3. Step 3: Cross multiply
    30,845.80x = 42,566.70 × 16,698.52
  4. Step 4: Simplify right side
    30,845.80x = 710,800,891.28
  5. Step 5: Solve for x
    x = 710,800,891.28/30,845.80
  6. Step 6: Final answer
    x = 23,043.68

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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.