Home / 55,428.04-76,489.86-33,067.72

Finding the Fourth Proportional to 55,428.04, 76,489.86 and 33,067.72

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Solution

The fourth proportional to 55,428.04, 76,489.86 and 33,067.72 is: 45,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,428.04 : 76,489.86 = 33,067.72 : x
  2. Step 2: Convert to fraction form
    55,428.04/76,489.86 = 33,067.72/x
  3. Step 3: Cross multiply
    55,428.04x = 76,489.86 × 33,067.72
  4. Step 4: Simplify right side
    55,428.04x = 2,529,345,273.32
  5. Step 5: Solve for x
    x = 2,529,345,273.32/55,428.04
  6. Step 6: Final answer
    x = 45,632.96

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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.