Home / 54,344.78-81,529.73-16,902.86

Finding the Fourth Proportional to 54,344.78, 81,529.73 and 16,902.86

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Solution

The fourth proportional to 54,344.78, 81,529.73 and 16,902.86 is: 25,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.78 : 81,529.73 = 16,902.86 : x
  2. Step 2: Convert to fraction form
    54,344.78/81,529.73 = 16,902.86/x
  3. Step 3: Cross multiply
    54,344.78x = 81,529.73 × 16,902.86
  4. Step 4: Simplify right side
    54,344.78x = 1,378,085,119.86
  5. Step 5: Solve for x
    x = 1,378,085,119.86/54,344.78
  6. Step 6: Final answer
    x = 25,358.19

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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.