Home / 45,267.75-67,905.27-14,103

Finding the Fourth Proportional to 45,267.75, 67,905.27 and 14,103

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Solution

The fourth proportional to 45,267.75, 67,905.27 and 14,103 is: 21,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,267.75 : 67,905.27 = 14,103 : x
  2. Step 2: Convert to fraction form
    45,267.75/67,905.27 = 14,103/x
  3. Step 3: Cross multiply
    45,267.75x = 67,905.27 × 14,103
  4. Step 4: Simplify right side
    45,267.75x = 957,668,022.81
  5. Step 5: Solve for x
    x = 957,668,022.81/45,267.75
  6. Step 6: Final answer
    x = 21,155.64

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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.