Home / 54,520.86-75,372.96-54,021.90

Finding the Fourth Proportional to 54,520.86, 75,372.96 and 54,021.90

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Solution

The fourth proportional to 54,520.86, 75,372.96 and 54,021.90 is: 74,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.86 : 75,372.96 = 54,021.90 : x
  2. Step 2: Convert to fraction form
    54,520.86/75,372.96 = 54,021.90/x
  3. Step 3: Cross multiply
    54,520.86x = 75,372.96 × 54,021.90
  4. Step 4: Simplify right side
    54,520.86x = 4,071,790,507.82
  5. Step 5: Solve for x
    x = 4,071,790,507.82/54,520.86
  6. Step 6: Final answer
    x = 74,683.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.