Home / 55,028.52-75,938.94-29,878.20

Finding the Fourth Proportional to 55,028.52, 75,938.94 and 29,878.20

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Solution

The fourth proportional to 55,028.52, 75,938.94 and 29,878.20 is: 41,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.52 : 75,938.94 = 29,878.20 : x
  2. Step 2: Convert to fraction form
    55,028.52/75,938.94 = 29,878.20/x
  3. Step 3: Cross multiply
    55,028.52x = 75,938.94 × 29,878.20
  4. Step 4: Simplify right side
    55,028.52x = 2,268,918,837.11
  5. Step 5: Solve for x
    x = 2,268,918,837.11/55,028.52
  6. Step 6: Final answer
    x = 41,231.69

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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.