Home / 54,416.88-81,619.56-17,478

Finding the Fourth Proportional to 54,416.88, 81,619.56 and 17,478

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Solution

The fourth proportional to 54,416.88, 81,619.56 and 17,478 is: 26,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.88 : 81,619.56 = 17,478 : x
  2. Step 2: Convert to fraction form
    54,416.88/81,619.56 = 17,478/x
  3. Step 3: Cross multiply
    54,416.88x = 81,619.56 × 17,478
  4. Step 4: Simplify right side
    54,416.88x = 1,426,546,669.68
  5. Step 5: Solve for x
    x = 1,426,546,669.68/54,416.88
  6. Step 6: Final answer
    x = 26,215.15

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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.