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Finding the Fourth Proportional to 45,673.92, 63,020.16 and 26,806.08

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Solution

The fourth proportional to 45,673.92, 63,020.16 and 26,806.08 is: 36,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.92 : 63,020.16 = 26,806.08 : x
  2. Step 2: Convert to fraction form
    45,673.92/63,020.16 = 26,806.08/x
  3. Step 3: Cross multiply
    45,673.92x = 63,020.16 × 26,806.08
  4. Step 4: Simplify right side
    45,673.92x = 1,689,323,450.57
  5. Step 5: Solve for x
    x = 1,689,323,450.57/45,673.92
  6. Step 6: Final answer
    x = 36,986.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.