Home / 35,982.98-53,977.55-12,289.57

Finding the Fourth Proportional to 35,982.98, 53,977.55 and 12,289.57

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Solution

The fourth proportional to 35,982.98, 53,977.55 and 12,289.57 is: 18,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.98 : 53,977.55 = 12,289.57 : x
  2. Step 2: Convert to fraction form
    35,982.98/53,977.55 = 12,289.57/x
  3. Step 3: Cross multiply
    35,982.98x = 53,977.55 × 12,289.57
  4. Step 4: Simplify right side
    35,982.98x = 663,361,072.80
  5. Step 5: Solve for x
    x = 663,361,072.80/35,982.98
  6. Step 6: Final answer
    x = 18,435.41

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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.