Home / 55,253.05-82,880.15-30,279.49

Finding the Fourth Proportional to 55,253.05, 82,880.15 and 30,279.49

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Solution

The fourth proportional to 55,253.05, 82,880.15 and 30,279.49 is: 45,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.05 : 82,880.15 = 30,279.49 : x
  2. Step 2: Convert to fraction form
    55,253.05/82,880.15 = 30,279.49/x
  3. Step 3: Cross multiply
    55,253.05x = 82,880.15 × 30,279.49
  4. Step 4: Simplify right side
    55,253.05x = 2,509,568,673.12
  5. Step 5: Solve for x
    x = 2,509,568,673.12/55,253.05
  6. Step 6: Final answer
    x = 45,419.55

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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.