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Finding the Fourth Proportional to 45,920.54, 68,815.03 and 26,158.29

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Solution

The fourth proportional to 45,920.54, 68,815.03 and 26,158.29 is: 39,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.54 : 68,815.03 = 26,158.29 : x
  2. Step 2: Convert to fraction form
    45,920.54/68,815.03 = 26,158.29/x
  3. Step 3: Cross multiply
    45,920.54x = 68,815.03 × 26,158.29
  4. Step 4: Simplify right side
    45,920.54x = 1,800,083,511.10
  5. Step 5: Solve for x
    x = 1,800,083,511.10/45,920.54
  6. Step 6: Final answer
    x = 39,199.96

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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.