Home / 45,529.51-68,304.30-13,939.81

Finding the Fourth Proportional to 45,529.51, 68,304.30 and 13,939.81

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Solution

The fourth proportional to 45,529.51, 68,304.30 and 13,939.81 is: 20,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,529.51 : 68,304.30 = 13,939.81 : x
  2. Step 2: Convert to fraction form
    45,529.51/68,304.30 = 13,939.81/x
  3. Step 3: Cross multiply
    45,529.51x = 68,304.30 × 13,939.81
  4. Step 4: Simplify right side
    45,529.51x = 952,148,964.18
  5. Step 5: Solve for x
    x = 952,148,964.18/45,529.51
  6. Step 6: Final answer
    x = 20,912.79

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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.