Home / 45,481.08-68,224.14-13,895.94

Finding the Fourth Proportional to 45,481.08, 68,224.14 and 13,895.94

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Solution

The fourth proportional to 45,481.08, 68,224.14 and 13,895.94 is: 20,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.08 : 68,224.14 = 13,895.94 : x
  2. Step 2: Convert to fraction form
    45,481.08/68,224.14 = 13,895.94/x
  3. Step 3: Cross multiply
    45,481.08x = 68,224.14 × 13,895.94
  4. Step 4: Simplify right side
    45,481.08x = 948,038,555.99
  5. Step 5: Solve for x
    x = 948,038,555.99/45,481.08
  6. Step 6: Final answer
    x = 20,844.68

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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.