Home / 53,304.87-79,942.70-20,022.36

Finding the Fourth Proportional to 53,304.87, 79,942.70 and 20,022.36

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Solution

The fourth proportional to 53,304.87, 79,942.70 and 20,022.36 is: 30,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,304.87 : 79,942.70 = 20,022.36 : x
  2. Step 2: Convert to fraction form
    53,304.87/79,942.70 = 20,022.36/x
  3. Step 3: Cross multiply
    53,304.87x = 79,942.70 × 20,022.36
  4. Step 4: Simplify right side
    53,304.87x = 1,600,641,518.77
  5. Step 5: Solve for x
    x = 1,600,641,518.77/53,304.87
  6. Step 6: Final answer
    x = 30,028.05

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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.