Home / 45,545.23-68,310.08-12,257.87

Finding the Fourth Proportional to 45,545.23, 68,310.08 and 12,257.87

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Solution

The fourth proportional to 45,545.23, 68,310.08 and 12,257.87 is: 18,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.23 : 68,310.08 = 12,257.87 : x
  2. Step 2: Convert to fraction form
    45,545.23/68,310.08 = 12,257.87/x
  3. Step 3: Cross multiply
    45,545.23x = 68,310.08 × 12,257.87
  4. Step 4: Simplify right side
    45,545.23x = 837,336,080.33
  5. Step 5: Solve for x
    x = 837,336,080.33/45,545.23
  6. Step 6: Final answer
    x = 18,384.72

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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.