Home / 54,916.92-82,381.86-17,478.72

Finding the Fourth Proportional to 54,916.92, 82,381.86 and 17,478.72

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Solution

The fourth proportional to 54,916.92, 82,381.86 and 17,478.72 is: 26,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.92 : 82,381.86 = 17,478.72 : x
  2. Step 2: Convert to fraction form
    54,916.92/82,381.86 = 17,478.72/x
  3. Step 3: Cross multiply
    54,916.92x = 82,381.86 × 17,478.72
  4. Step 4: Simplify right side
    54,916.92x = 1,439,929,464.02
  5. Step 5: Solve for x
    x = 1,439,929,464.02/54,916.92
  6. Step 6: Final answer
    x = 26,220.14

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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.