Home / 45,329.73-67,989.20-12,052.23

Finding the Fourth Proportional to 45,329.73, 67,989.20 and 12,052.23

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Solution

The fourth proportional to 45,329.73, 67,989.20 and 12,052.23 is: 18,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,329.73 : 67,989.20 = 12,052.23 : x
  2. Step 2: Convert to fraction form
    45,329.73/67,989.20 = 12,052.23/x
  3. Step 3: Cross multiply
    45,329.73x = 67,989.20 × 12,052.23
  4. Step 4: Simplify right side
    45,329.73x = 819,421,415.65
  5. Step 5: Solve for x
    x = 819,421,415.65/45,329.73
  6. Step 6: Final answer
    x = 18,076.91

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1.5x scale

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.