Home / 40,379.62-60,576.35-13,722.79

Finding the Fourth Proportional to 40,379.62, 60,576.35 and 13,722.79

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Solution

The fourth proportional to 40,379.62, 60,576.35 and 13,722.79 is: 20,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.62 : 60,576.35 = 13,722.79 : x
  2. Step 2: Convert to fraction form
    40,379.62/60,576.35 = 13,722.79/x
  3. Step 3: Cross multiply
    40,379.62x = 60,576.35 × 13,722.79
  4. Step 4: Simplify right side
    40,379.62x = 831,276,530.02
  5. Step 5: Solve for x
    x = 831,276,530.02/40,379.62
  6. Step 6: Final answer
    x = 20,586.54

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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.