Home / 45,545.73-68,310.83-12,258.37

Finding the Fourth Proportional to 45,545.73, 68,310.83 and 12,258.37

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Solution

The fourth proportional to 45,545.73, 68,310.83 and 12,258.37 is: 18,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.73 : 68,310.83 = 12,258.37 : x
  2. Step 2: Convert to fraction form
    45,545.73/68,310.83 = 12,258.37/x
  3. Step 3: Cross multiply
    45,545.73x = 68,310.83 × 12,258.37
  4. Step 4: Simplify right side
    45,545.73x = 837,379,429.15
  5. Step 5: Solve for x
    x = 837,379,429.15/45,545.73
  6. Step 6: Final answer
    x = 18,385.47

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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.