Home / 55,209.25-76,190.39-30,060.37

Finding the Fourth Proportional to 55,209.25, 76,190.39 and 30,060.37

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Solution

The fourth proportional to 55,209.25, 76,190.39 and 30,060.37 is: 41,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.25 : 76,190.39 = 30,060.37 : x
  2. Step 2: Convert to fraction form
    55,209.25/76,190.39 = 30,060.37/x
  3. Step 3: Cross multiply
    55,209.25x = 76,190.39 × 30,060.37
  4. Step 4: Simplify right side
    55,209.25x = 2,290,311,313.84
  5. Step 5: Solve for x
    x = 2,290,311,313.84/55,209.25
  6. Step 6: Final answer
    x = 41,484.20

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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.