Home / 55,028.31-75,939.07-29,877.81

Finding the Fourth Proportional to 55,028.31, 75,939.07 and 29,877.81

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Solution

The fourth proportional to 55,028.31, 75,939.07 and 29,877.81 is: 41,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.31 : 75,939.07 = 29,877.81 : x
  2. Step 2: Convert to fraction form
    55,028.31/75,939.07 = 29,877.81/x
  3. Step 3: Cross multiply
    55,028.31x = 75,939.07 × 29,877.81
  4. Step 4: Simplify right side
    55,028.31x = 2,268,893,105.04
  5. Step 5: Solve for x
    x = 2,268,893,105.04/55,028.31
  6. Step 6: Final answer
    x = 41,231.38

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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.