Home / 45,965.32-68,936.58-12,683.92

Finding the Fourth Proportional to 45,965.32, 68,936.58 and 12,683.92

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Solution

The fourth proportional to 45,965.32, 68,936.58 and 12,683.92 is: 19,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,965.32 : 68,936.58 = 12,683.92 : x
  2. Step 2: Convert to fraction form
    45,965.32/68,936.58 = 12,683.92/x
  3. Step 3: Cross multiply
    45,965.32x = 68,936.58 × 12,683.92
  4. Step 4: Simplify right side
    45,965.32x = 874,386,065.79
  5. Step 5: Solve for x
    x = 874,386,065.79/45,965.32
  6. Step 6: Final answer
    x = 19,022.73

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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.