Home / 49,415.58-68,202.87-30,561.18

Finding the Fourth Proportional to 49,415.58, 68,202.87 and 30,561.18

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Solution

The fourth proportional to 49,415.58, 68,202.87 and 30,561.18 is: 42,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415.58 : 68,202.87 = 30,561.18 : x
  2. Step 2: Convert to fraction form
    49,415.58/68,202.87 = 30,561.18/x
  3. Step 3: Cross multiply
    49,415.58x = 68,202.87 × 30,561.18
  4. Step 4: Simplify right side
    49,415.58x = 2,084,360,186.59
  5. Step 5: Solve for x
    x = 2,084,360,186.59/49,415.58
  6. Step 6: Final answer
    x = 42,180.22

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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.