Home / 45,525.83-68,286.30-13,935.90

Finding the Fourth Proportional to 45,525.83, 68,286.30 and 13,935.90

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Solution

The fourth proportional to 45,525.83, 68,286.30 and 13,935.90 is: 20,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.83 : 68,286.30 = 13,935.90 : x
  2. Step 2: Convert to fraction form
    45,525.83/68,286.30 = 13,935.90/x
  3. Step 3: Cross multiply
    45,525.83x = 68,286.30 × 13,935.90
  4. Step 4: Simplify right side
    45,525.83x = 951,631,048.17
  5. Step 5: Solve for x
    x = 951,631,048.17/45,525.83
  6. Step 6: Final answer
    x = 20,903.10

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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.