Home / 54,277.09-81,368.96-26,158.55

Finding the Fourth Proportional to 54,277.09, 81,368.96 and 26,158.55

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Solution

The fourth proportional to 54,277.09, 81,368.96 and 26,158.55 is: 39,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,277.09 : 81,368.96 = 26,158.55 : x
  2. Step 2: Convert to fraction form
    54,277.09/81,368.96 = 26,158.55/x
  3. Step 3: Cross multiply
    54,277.09x = 81,368.96 × 26,158.55
  4. Step 4: Simplify right side
    54,277.09x = 2,128,493,470.97
  5. Step 5: Solve for x
    x = 2,128,493,470.97/54,277.09
  6. Step 6: Final answer
    x = 39,215.32

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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.