Home / 55,639.37-76,778.69-35,494.09

Finding the Fourth Proportional to 55,639.37, 76,778.69 and 35,494.09

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Solution

The fourth proportional to 55,639.37, 76,778.69 and 35,494.09 is: 48,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,639.37 : 76,778.69 = 35,494.09 : x
  2. Step 2: Convert to fraction form
    55,639.37/76,778.69 = 35,494.09/x
  3. Step 3: Cross multiply
    55,639.37x = 76,778.69 × 35,494.09
  4. Step 4: Simplify right side
    55,639.37x = 2,725,189,171.58
  5. Step 5: Solve for x
    x = 2,725,189,171.58/55,639.37
  6. Step 6: Final answer
    x = 48,979.52

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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.