Home / 54,284.19-81,314.64-26,121.11

Finding the Fourth Proportional to 54,284.19, 81,314.64 and 26,121.11

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Solution

The fourth proportional to 54,284.19, 81,314.64 and 26,121.11 is: 39,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.19 : 81,314.64 = 26,121.11 : x
  2. Step 2: Convert to fraction form
    54,284.19/81,314.64 = 26,121.11/x
  3. Step 3: Cross multiply
    54,284.19x = 81,314.64 × 26,121.11
  4. Step 4: Simplify right side
    54,284.19x = 2,124,028,249.48
  5. Step 5: Solve for x
    x = 2,124,028,249.48/54,284.19
  6. Step 6: Final answer
    x = 39,127.93

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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.