Home / 55,039.92-75,955.38-31,171.24

Finding the Fourth Proportional to 55,039.92, 75,955.38 and 31,171.24

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Solution

The fourth proportional to 55,039.92, 75,955.38 and 31,171.24 is: 43,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.92 : 75,955.38 = 31,171.24 : x
  2. Step 2: Convert to fraction form
    55,039.92/75,955.38 = 31,171.24/x
  3. Step 3: Cross multiply
    55,039.92x = 75,955.38 × 31,171.24
  4. Step 4: Simplify right side
    55,039.92x = 2,367,623,379.27
  5. Step 5: Solve for x
    x = 2,367,623,379.27/55,039.92
  6. Step 6: Final answer
    x = 43,016.48

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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.