Home / 45,302.45-67,957.00-12,021.77

Finding the Fourth Proportional to 45,302.45, 67,957.00 and 12,021.77

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Solution

The fourth proportional to 45,302.45, 67,957.00 and 12,021.77 is: 18,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.45 : 67,957.00 = 12,021.77 : x
  2. Step 2: Convert to fraction form
    45,302.45/67,957.00 = 12,021.77/x
  3. Step 3: Cross multiply
    45,302.45x = 67,957.00 × 12,021.77
  4. Step 4: Simplify right side
    45,302.45x = 816,963,563.73
  5. Step 5: Solve for x
    x = 816,963,563.73/45,302.45
  6. Step 6: Final answer
    x = 18,033.54

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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.