Home / 52,871.12-79,311.34-14,920.73

Finding the Fourth Proportional to 52,871.12, 79,311.34 and 14,920.73

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Solution

The fourth proportional to 52,871.12, 79,311.34 and 14,920.73 is: 22,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.12 : 79,311.34 = 14,920.73 : x
  2. Step 2: Convert to fraction form
    52,871.12/79,311.34 = 14,920.73/x
  3. Step 3: Cross multiply
    52,871.12x = 79,311.34 × 14,920.73
  4. Step 4: Simplify right side
    52,871.12x = 1,183,383,090.08
  5. Step 5: Solve for x
    x = 1,183,383,090.08/52,871.12
  6. Step 6: Final answer
    x = 22,382.41

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1.5x scale

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.