Home / 54,916.94-82,343.86-21,618.83

Finding the Fourth Proportional to 54,916.94, 82,343.86 and 21,618.83

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Solution

The fourth proportional to 54,916.94, 82,343.86 and 21,618.83 is: 32,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.94 : 82,343.86 = 21,618.83 : x
  2. Step 2: Convert to fraction form
    54,916.94/82,343.86 = 21,618.83/x
  3. Step 3: Cross multiply
    54,916.94x = 82,343.86 × 21,618.83
  4. Step 4: Simplify right side
    54,916.94x = 1,780,178,184.30
  5. Step 5: Solve for x
    x = 1,780,178,184.30/54,916.94
  6. Step 6: Final answer
    x = 32,415.83

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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.