Home / 54,960.48-75,845.45-31,086.63

Finding the Fourth Proportional to 54,960.48, 75,845.45 and 31,086.63

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Solution

The fourth proportional to 54,960.48, 75,845.45 and 31,086.63 is: 42,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,960.48 : 75,845.45 = 31,086.63 : x
  2. Step 2: Convert to fraction form
    54,960.48/75,845.45 = 31,086.63/x
  3. Step 3: Cross multiply
    54,960.48x = 75,845.45 × 31,086.63
  4. Step 4: Simplify right side
    54,960.48x = 2,357,779,519.05
  5. Step 5: Solve for x
    x = 2,357,779,519.05/54,960.48
  6. Step 6: Final answer
    x = 42,899.54

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