Home / 54,128.88-81,181.62-14,686.38

Finding the Fourth Proportional to 54,128.88, 81,181.62 and 14,686.38

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Solution

The fourth proportional to 54,128.88, 81,181.62 and 14,686.38 is: 22,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.88 : 81,181.62 = 14,686.38 : x
  2. Step 2: Convert to fraction form
    54,128.88/81,181.62 = 14,686.38/x
  3. Step 3: Cross multiply
    54,128.88x = 81,181.62 × 14,686.38
  4. Step 4: Simplify right side
    54,128.88x = 1,192,264,120.34
  5. Step 5: Solve for x
    x = 1,192,264,120.34/54,128.88
  6. Step 6: Final answer
    x = 22,026.40

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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.