Home / 36,180.72-54,280.80-12,823.68

Finding the Fourth Proportional to 36,180.72, 54,280.80 and 12,823.68

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Solution

The fourth proportional to 36,180.72, 54,280.80 and 12,823.68 is: 19,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180.72 : 54,280.80 = 12,823.68 : x
  2. Step 2: Convert to fraction form
    36,180.72/54,280.80 = 12,823.68/x
  3. Step 3: Cross multiply
    36,180.72x = 54,280.80 × 12,823.68
  4. Step 4: Simplify right side
    36,180.72x = 696,079,609.34
  5. Step 5: Solve for x
    x = 696,079,609.34/36,180.72
  6. Step 6: Final answer
    x = 19,238.97

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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.