Home / 45,497.75-68,246.79-13,907.68

Finding the Fourth Proportional to 45,497.75, 68,246.79 and 13,907.68

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Solution

The fourth proportional to 45,497.75, 68,246.79 and 13,907.68 is: 20,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.75 : 68,246.79 = 13,907.68 : x
  2. Step 2: Convert to fraction form
    45,497.75/68,246.79 = 13,907.68/x
  3. Step 3: Cross multiply
    45,497.75x = 68,246.79 × 13,907.68
  4. Step 4: Simplify right side
    45,497.75x = 949,154,105.57
  5. Step 5: Solve for x
    x = 949,154,105.57/45,497.75
  6. Step 6: Final answer
    x = 20,861.56

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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.