Home / 55,770.25-76,964.16-30,619.75

Finding the Fourth Proportional to 55,770.25, 76,964.16 and 30,619.75

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Solution

The fourth proportional to 55,770.25, 76,964.16 and 30,619.75 is: 42,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.25 : 76,964.16 = 30,619.75 : x
  2. Step 2: Convert to fraction form
    55,770.25/76,964.16 = 30,619.75/x
  3. Step 3: Cross multiply
    55,770.25x = 76,964.16 × 30,619.75
  4. Step 4: Simplify right side
    55,770.25x = 2,356,623,338.16
  5. Step 5: Solve for x
    x = 2,356,623,338.16/55,770.25
  6. Step 6: Final answer
    x = 42,255.92

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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.