Home / 54,718.08-82,028.40-21,461.88

Finding the Fourth Proportional to 54,718.08, 82,028.40 and 21,461.88

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Solution

The fourth proportional to 54,718.08, 82,028.40 and 21,461.88 is: 32,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.08 : 82,028.40 = 21,461.88 : x
  2. Step 2: Convert to fraction form
    54,718.08/82,028.40 = 21,461.88/x
  3. Step 3: Cross multiply
    54,718.08x = 82,028.40 × 21,461.88
  4. Step 4: Simplify right side
    54,718.08x = 1,760,483,677.39
  5. Step 5: Solve for x
    x = 1,760,483,677.39/54,718.08
  6. Step 6: Final answer
    x = 32,173.71

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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.