Home / 54,394.89-81,433.86-40,416.87

Finding the Fourth Proportional to 54,394.89, 81,433.86 and 40,416.87

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Solution

The fourth proportional to 54,394.89, 81,433.86 and 40,416.87 is: 60,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.89 : 81,433.86 = 40,416.87 : x
  2. Step 2: Convert to fraction form
    54,394.89/81,433.86 = 40,416.87/x
  3. Step 3: Cross multiply
    54,394.89x = 81,433.86 × 40,416.87
  4. Step 4: Simplify right side
    54,394.89x = 3,291,301,887.03
  5. Step 5: Solve for x
    x = 3,291,301,887.03/54,394.89
  6. Step 6: Final answer
    x = 60,507.55

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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.