Home / 54,933.28-82,411.92-19,869.28

Finding the Fourth Proportional to 54,933.28, 82,411.92 and 19,869.28

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Solution

The fourth proportional to 54,933.28, 82,411.92 and 19,869.28 is: 29,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,933.28 : 82,411.92 = 19,869.28 : x
  2. Step 2: Convert to fraction form
    54,933.28/82,411.92 = 19,869.28/x
  3. Step 3: Cross multiply
    54,933.28x = 82,411.92 × 19,869.28
  4. Step 4: Simplify right side
    54,933.28x = 1,637,465,513.82
  5. Step 5: Solve for x
    x = 1,637,465,513.82/54,933.28
  6. Step 6: Final answer
    x = 29,808.26

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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.