Home / 54,206.16-81,291-18,175.32

Finding the Fourth Proportional to 54,206.16, 81,291 and 18,175.32

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Solution

The fourth proportional to 54,206.16, 81,291 and 18,175.32 is: 27,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,206.16 : 81,291 = 18,175.32 : x
  2. Step 2: Convert to fraction form
    54,206.16/81,291 = 18,175.32/x
  3. Step 3: Cross multiply
    54,206.16x = 81,291 × 18,175.32
  4. Step 4: Simplify right side
    54,206.16x = 1,477,489,938.12
  5. Step 5: Solve for x
    x = 1,477,489,938.12/54,206.16
  6. Step 6: Final answer
    x = 27,256.86

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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.