Home / 55,367.37-76,405.91-30,217.05

Finding the Fourth Proportional to 55,367.37, 76,405.91 and 30,217.05

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Solution

The fourth proportional to 55,367.37, 76,405.91 and 30,217.05 is: 41,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.37 : 76,405.91 = 30,217.05 : x
  2. Step 2: Convert to fraction form
    55,367.37/76,405.91 = 30,217.05/x
  3. Step 3: Cross multiply
    55,367.37x = 76,405.91 × 30,217.05
  4. Step 4: Simplify right side
    55,367.37x = 2,308,761,051.68
  5. Step 5: Solve for x
    x = 2,308,761,051.68/55,367.37
  6. Step 6: Final answer
    x = 41,698.95

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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.