Home / 55,769.63-76,963.73-30,620.75

Finding the Fourth Proportional to 55,769.63, 76,963.73 and 30,620.75

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Solution

The fourth proportional to 55,769.63, 76,963.73 and 30,620.75 is: 42,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.63 : 76,963.73 = 30,620.75 : x
  2. Step 2: Convert to fraction form
    55,769.63/76,963.73 = 30,620.75/x
  3. Step 3: Cross multiply
    55,769.63x = 76,963.73 × 30,620.75
  4. Step 4: Simplify right side
    55,769.63x = 2,356,686,597.48
  5. Step 5: Solve for x
    x = 2,356,686,597.48/55,769.63
  6. Step 6: Final answer
    x = 42,257.53

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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.