Home / 39,813.31-54,921.81-27,850.42

Finding the Fourth Proportional to 39,813.31, 54,921.81 and 27,850.42

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Solution

The fourth proportional to 39,813.31, 54,921.81 and 27,850.42 is: 38,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.31 : 54,921.81 = 27,850.42 : x
  2. Step 2: Convert to fraction form
    39,813.31/54,921.81 = 27,850.42/x
  3. Step 3: Cross multiply
    39,813.31x = 54,921.81 × 27,850.42
  4. Step 4: Simplify right side
    39,813.31x = 1,529,595,475.66
  5. Step 5: Solve for x
    x = 1,529,595,475.66/39,813.31
  6. Step 6: Final answer
    x = 38,419.20

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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.