Home / 39,847.90-54,982.09-30,285.24

Finding the Fourth Proportional to 39,847.90, 54,982.09 and 30,285.24

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Solution

The fourth proportional to 39,847.90, 54,982.09 and 30,285.24 is: 41,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.90 : 54,982.09 = 30,285.24 : x
  2. Step 2: Convert to fraction form
    39,847.90/54,982.09 = 30,285.24/x
  3. Step 3: Cross multiply
    39,847.90x = 54,982.09 × 30,285.24
  4. Step 4: Simplify right side
    39,847.90x = 1,665,145,932.30
  5. Step 5: Solve for x
    x = 1,665,145,932.30/39,847.90
  6. Step 6: Final answer
    x = 41,787.55

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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.