Home / 55,086.24-82,634.82-17,636.90

Finding the Fourth Proportional to 55,086.24, 82,634.82 and 17,636.90

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Solution

The fourth proportional to 55,086.24, 82,634.82 and 17,636.90 is: 26,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.24 : 82,634.82 = 17,636.90 : x
  2. Step 2: Convert to fraction form
    55,086.24/82,634.82 = 17,636.90/x
  3. Step 3: Cross multiply
    55,086.24x = 82,634.82 × 17,636.90
  4. Step 4: Simplify right side
    55,086.24x = 1,457,422,056.86
  5. Step 5: Solve for x
    x = 1,457,422,056.86/55,086.24
  6. Step 6: Final answer
    x = 26,457.10

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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.