Home / 54,741.47-82,105.13-17,305.32

Finding the Fourth Proportional to 54,741.47, 82,105.13 and 17,305.32

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Solution

The fourth proportional to 54,741.47, 82,105.13 and 17,305.32 is: 25,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.47 : 82,105.13 = 17,305.32 : x
  2. Step 2: Convert to fraction form
    54,741.47/82,105.13 = 17,305.32/x
  3. Step 3: Cross multiply
    54,741.47x = 82,105.13 × 17,305.32
  4. Step 4: Simplify right side
    54,741.47x = 1,420,855,548.29
  5. Step 5: Solve for x
    x = 1,420,855,548.29/54,741.47
  6. Step 6: Final answer
    x = 25,955.74

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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.