Home / 54,576.61-81,864.84-17,139.60

Finding the Fourth Proportional to 54,576.61, 81,864.84 and 17,139.60

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Solution

The fourth proportional to 54,576.61, 81,864.84 and 17,139.60 is: 25,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.61 : 81,864.84 = 17,139.60 : x
  2. Step 2: Convert to fraction form
    54,576.61/81,864.84 = 17,139.60/x
  3. Step 3: Cross multiply
    54,576.61x = 81,864.84 × 17,139.60
  4. Step 4: Simplify right side
    54,576.61x = 1,403,130,611.66
  5. Step 5: Solve for x
    x = 1,403,130,611.66/54,576.61
  6. Step 6: Final answer
    x = 25,709.38

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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.