Home / 54,811.65-82,185.57-21,492.66

Finding the Fourth Proportional to 54,811.65, 82,185.57 and 21,492.66

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Solution

The fourth proportional to 54,811.65, 82,185.57 and 21,492.66 is: 32,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.65 : 82,185.57 = 21,492.66 : x
  2. Step 2: Convert to fraction form
    54,811.65/82,185.57 = 21,492.66/x
  3. Step 3: Cross multiply
    54,811.65x = 82,185.57 × 21,492.66
  4. Step 4: Simplify right side
    54,811.65x = 1,766,386,512.92
  5. Step 5: Solve for x
    x = 1,766,386,512.92/54,811.65
  6. Step 6: Final answer
    x = 32,226.48

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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.