Home / 54,938.32-82,407.44-19,869.80

Finding the Fourth Proportional to 54,938.32, 82,407.44 and 19,869.80

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Solution

The fourth proportional to 54,938.32, 82,407.44 and 19,869.80 is: 29,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.32 : 82,407.44 = 19,869.80 : x
  2. Step 2: Convert to fraction form
    54,938.32/82,407.44 = 19,869.80/x
  3. Step 3: Cross multiply
    54,938.32x = 82,407.44 × 19,869.80
  4. Step 4: Simplify right side
    54,938.32x = 1,637,419,351.31
  5. Step 5: Solve for x
    x = 1,637,419,351.31/54,938.32
  6. Step 6: Final answer
    x = 29,804.69

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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.