Home / 54,554.34-81,839.61-17,117.49

Finding the Fourth Proportional to 54,554.34, 81,839.61 and 17,117.49

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Solution

The fourth proportional to 54,554.34, 81,839.61 and 17,117.49 is: 25,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.34 : 81,839.61 = 17,117.49 : x
  2. Step 2: Convert to fraction form
    54,554.34/81,839.61 = 17,117.49/x
  3. Step 3: Cross multiply
    54,554.34x = 81,839.61 × 17,117.49
  4. Step 4: Simplify right side
    54,554.34x = 1,400,888,705.78
  5. Step 5: Solve for x
    x = 1,400,888,705.78/54,554.34
  6. Step 6: Final answer
    x = 25,678.78

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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.