Home / 30,079.41-41,508.24-16,649.72

Finding the Fourth Proportional to 30,079.41, 41,508.24 and 16,649.72

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Solution

The fourth proportional to 30,079.41, 41,508.24 and 16,649.72 is: 22,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.41 : 41,508.24 = 16,649.72 : x
  2. Step 2: Convert to fraction form
    30,079.41/41,508.24 = 16,649.72/x
  3. Step 3: Cross multiply
    30,079.41x = 41,508.24 × 16,649.72
  4. Step 4: Simplify right side
    30,079.41x = 691,100,366.15
  5. Step 5: Solve for x
    x = 691,100,366.15/30,079.41
  6. Step 6: Final answer
    x = 22,975.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.