Home / 38,871.04-58,297.92-11,171.20

Finding the Fourth Proportional to 38,871.04, 58,297.92 and 11,171.20

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Solution

The fourth proportional to 38,871.04, 58,297.92 and 11,171.20 is: 16,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.04 : 58,297.92 = 11,171.20 : x
  2. Step 2: Convert to fraction form
    38,871.04/58,297.92 = 11,171.20/x
  3. Step 3: Cross multiply
    38,871.04x = 58,297.92 × 11,171.20
  4. Step 4: Simplify right side
    38,871.04x = 651,257,723.90
  5. Step 5: Solve for x
    x = 651,257,723.90/38,871.04
  6. Step 6: Final answer
    x = 16,754.32

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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.