Home / 40,161.72-60,246.06-12,079.86

Finding the Fourth Proportional to 40,161.72, 60,246.06 and 12,079.86

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Solution

The fourth proportional to 40,161.72, 60,246.06 and 12,079.86 is: 18,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.72 : 60,246.06 = 12,079.86 : x
  2. Step 2: Convert to fraction form
    40,161.72/60,246.06 = 12,079.86/x
  3. Step 3: Cross multiply
    40,161.72x = 60,246.06 × 12,079.86
  4. Step 4: Simplify right side
    40,161.72x = 727,763,970.35
  5. Step 5: Solve for x
    x = 727,763,970.35/40,161.72
  6. Step 6: Final answer
    x = 18,120.84

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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.