Home / 54,327.89-81,444.72-21,025.03

Finding the Fourth Proportional to 54,327.89, 81,444.72 and 21,025.03

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Solution

The fourth proportional to 54,327.89, 81,444.72 and 21,025.03 is: 31,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.89 : 81,444.72 = 21,025.03 : x
  2. Step 2: Convert to fraction form
    54,327.89/81,444.72 = 21,025.03/x
  3. Step 3: Cross multiply
    54,327.89x = 81,444.72 × 21,025.03
  4. Step 4: Simplify right side
    54,327.89x = 1,712,377,274.12
  5. Step 5: Solve for x
    x = 1,712,377,274.12/54,327.89
  6. Step 6: Final answer
    x = 31,519.31

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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.