Home / 54,435.75-81,653.63-17,499.75

Finding the Fourth Proportional to 54,435.75, 81,653.63 and 17,499.75

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Solution

The fourth proportional to 54,435.75, 81,653.63 and 17,499.75 is: 26,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.75 : 81,653.63 = 17,499.75 : x
  2. Step 2: Convert to fraction form
    54,435.75/81,653.63 = 17,499.75/x
  3. Step 3: Cross multiply
    54,435.75x = 81,653.63 × 17,499.75
  4. Step 4: Simplify right side
    54,435.75x = 1,428,918,024.09
  5. Step 5: Solve for x
    x = 1,428,918,024.09/54,435.75
  6. Step 6: Final answer
    x = 26,249.63

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1.5x scale

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.