Home / 55,049.95-75,966.39-31,176.80

Finding the Fourth Proportional to 55,049.95, 75,966.39 and 31,176.80

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Solution

The fourth proportional to 55,049.95, 75,966.39 and 31,176.80 is: 43,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.95 : 75,966.39 = 31,176.80 : x
  2. Step 2: Convert to fraction form
    55,049.95/75,966.39 = 31,176.80/x
  3. Step 3: Cross multiply
    55,049.95x = 75,966.39 × 31,176.80
  4. Step 4: Simplify right side
    55,049.95x = 2,368,388,947.75
  5. Step 5: Solve for x
    x = 2,368,388,947.75/55,049.95
  6. Step 6: Final answer
    x = 43,022.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.