Home / 45,979.18-68,974.20-16,401.22

Finding the Fourth Proportional to 45,979.18, 68,974.20 and 16,401.22

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Solution

The fourth proportional to 45,979.18, 68,974.20 and 16,401.22 is: 24,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.18 : 68,974.20 = 16,401.22 : x
  2. Step 2: Convert to fraction form
    45,979.18/68,974.20 = 16,401.22/x
  3. Step 3: Cross multiply
    45,979.18x = 68,974.20 × 16,401.22
  4. Step 4: Simplify right side
    45,979.18x = 1,131,261,028.52
  5. Step 5: Solve for x
    x = 1,131,261,028.52/45,979.18
  6. Step 6: Final answer
    x = 24,603.77

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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.