Home / 54,929.33-82,393.96-19,860.78

Finding the Fourth Proportional to 54,929.33, 82,393.96 and 19,860.78

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Solution

The fourth proportional to 54,929.33, 82,393.96 and 19,860.78 is: 29,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.33 : 82,393.96 = 19,860.78 : x
  2. Step 2: Convert to fraction form
    54,929.33/82,393.96 = 19,860.78/x
  3. Step 3: Cross multiply
    54,929.33x = 82,393.96 × 19,860.78
  4. Step 4: Simplify right side
    54,929.33x = 1,636,408,312.89
  5. Step 5: Solve for x
    x = 1,636,408,312.89/54,929.33
  6. Step 6: Final answer
    x = 29,791.16

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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.