Home / 55,420.12-76,380.87-41,959.12

Finding the Fourth Proportional to 55,420.12, 76,380.87 and 41,959.12

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Solution

The fourth proportional to 55,420.12, 76,380.87 and 41,959.12 is: 57,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.12 : 76,380.87 = 41,959.12 : x
  2. Step 2: Convert to fraction form
    55,420.12/76,380.87 = 41,959.12/x
  3. Step 3: Cross multiply
    55,420.12x = 76,380.87 × 41,959.12
  4. Step 4: Simplify right side
    55,420.12x = 3,204,874,090.03
  5. Step 5: Solve for x
    x = 3,204,874,090.03/55,420.12
  6. Step 6: Final answer
    x = 57,828.71

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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.