Home / 54,858.16-82,290.07-17,421.15

Finding the Fourth Proportional to 54,858.16, 82,290.07 and 17,421.15

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Solution

The fourth proportional to 54,858.16, 82,290.07 and 17,421.15 is: 26,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.16 : 82,290.07 = 17,421.15 : x
  2. Step 2: Convert to fraction form
    54,858.16/82,290.07 = 17,421.15/x
  3. Step 3: Cross multiply
    54,858.16x = 82,290.07 × 17,421.15
  4. Step 4: Simplify right side
    54,858.16x = 1,433,587,652.98
  5. Step 5: Solve for x
    x = 1,433,587,652.98/54,858.16
  6. Step 6: Final answer
    x = 26,132.63

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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.