Home / 54,279.03-81,423.70-16,839.51

Finding the Fourth Proportional to 54,279.03, 81,423.70 and 16,839.51

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Solution

The fourth proportional to 54,279.03, 81,423.70 and 16,839.51 is: 25,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.03 : 81,423.70 = 16,839.51 : x
  2. Step 2: Convert to fraction form
    54,279.03/81,423.70 = 16,839.51/x
  3. Step 3: Cross multiply
    54,279.03x = 81,423.70 × 16,839.51
  4. Step 4: Simplify right side
    54,279.03x = 1,371,135,210.39
  5. Step 5: Solve for x
    x = 1,371,135,210.39/54,279.03
  6. Step 6: Final answer
    x = 25,260.86

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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.