Home / 44,078.63-66,121.70-12,488.84

Finding the Fourth Proportional to 44,078.63, 66,121.70 and 12,488.84

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Solution

The fourth proportional to 44,078.63, 66,121.70 and 12,488.84 is: 18,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,078.63 : 66,121.70 = 12,488.84 : x
  2. Step 2: Convert to fraction form
    44,078.63/66,121.70 = 12,488.84/x
  3. Step 3: Cross multiply
    44,078.63x = 66,121.70 × 12,488.84
  4. Step 4: Simplify right side
    44,078.63x = 825,782,938.78
  5. Step 5: Solve for x
    x = 825,782,938.78/44,078.63
  6. Step 6: Final answer
    x = 18,734.31

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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.