Home / 54,966.60-82,493.64-19,916.28

Finding the Fourth Proportional to 54,966.60, 82,493.64 and 19,916.28

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Solution

The fourth proportional to 54,966.60, 82,493.64 and 19,916.28 is: 29,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966.60 : 82,493.64 = 19,916.28 : x
  2. Step 2: Convert to fraction form
    54,966.60/82,493.64 = 19,916.28/x
  3. Step 3: Cross multiply
    54,966.60x = 82,493.64 × 19,916.28
  4. Step 4: Simplify right side
    54,966.60x = 1,642,966,432.46
  5. Step 5: Solve for x
    x = 1,642,966,432.46/54,966.60
  6. Step 6: Final answer
    x = 29,890.27

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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.