Home / 32,871.90-49,293.30-20,391.42

Finding the Fourth Proportional to 32,871.90, 49,293.30 and 20,391.42

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Solution

The fourth proportional to 32,871.90, 49,293.30 and 20,391.42 is: 30,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.90 : 49,293.30 = 20,391.42 : x
  2. Step 2: Convert to fraction form
    32,871.90/49,293.30 = 20,391.42/x
  3. Step 3: Cross multiply
    32,871.90x = 49,293.30 × 20,391.42
  4. Step 4: Simplify right side
    32,871.90x = 1,005,160,383.49
  5. Step 5: Solve for x
    x = 1,005,160,383.49/32,871.90
  6. Step 6: Final answer
    x = 30,578.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.