Home / 55,039.14-75,951.81-31,164.39

Finding the Fourth Proportional to 55,039.14, 75,951.81 and 31,164.39

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Solution

The fourth proportional to 55,039.14, 75,951.81 and 31,164.39 is: 43,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.14 : 75,951.81 = 31,164.39 : x
  2. Step 2: Convert to fraction form
    55,039.14/75,951.81 = 31,164.39/x
  3. Step 3: Cross multiply
    55,039.14x = 75,951.81 × 31,164.39
  4. Step 4: Simplify right side
    55,039.14x = 2,366,991,828.05
  5. Step 5: Solve for x
    x = 2,366,991,828.05/55,039.14
  6. Step 6: Final answer
    x = 43,005.61

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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.