Home / 54,278.32-81,447.72-29,317.84

Finding the Fourth Proportional to 54,278.32, 81,447.72 and 29,317.84

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Solution

The fourth proportional to 54,278.32, 81,447.72 and 29,317.84 is: 43,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.32 : 81,447.72 = 29,317.84 : x
  2. Step 2: Convert to fraction form
    54,278.32/81,447.72 = 29,317.84/x
  3. Step 3: Cross multiply
    54,278.32x = 81,447.72 × 29,317.84
  4. Step 4: Simplify right side
    54,278.32x = 2,387,871,223.32
  5. Step 5: Solve for x
    x = 2,387,871,223.32/54,278.32
  6. Step 6: Final answer
    x = 43,993.09

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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.