Home / 39,669.21-54,747.90-25,342.20

Finding the Fourth Proportional to 39,669.21, 54,747.90 and 25,342.20

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Solution

The fourth proportional to 39,669.21, 54,747.90 and 25,342.20 is: 34,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.21 : 54,747.90 = 25,342.20 : x
  2. Step 2: Convert to fraction form
    39,669.21/54,747.90 = 25,342.20/x
  3. Step 3: Cross multiply
    39,669.21x = 54,747.90 × 25,342.20
  4. Step 4: Simplify right side
    39,669.21x = 1,387,432,231.38
  5. Step 5: Solve for x
    x = 1,387,432,231.38/39,669.21
  6. Step 6: Final answer
    x = 34,975.04

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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.