Home / 55,429.92-76,493.16-30,279.60

Finding the Fourth Proportional to 55,429.92, 76,493.16 and 30,279.60

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Solution

The fourth proportional to 55,429.92, 76,493.16 and 30,279.60 is: 41,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.92 : 76,493.16 = 30,279.60 : x
  2. Step 2: Convert to fraction form
    55,429.92/76,493.16 = 30,279.60/x
  3. Step 3: Cross multiply
    55,429.92x = 76,493.16 × 30,279.60
  4. Step 4: Simplify right side
    55,429.92x = 2,316,182,287.54
  5. Step 5: Solve for x
    x = 2,316,182,287.54/55,429.92
  6. Step 6: Final answer
    x = 41,785.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.