Home / 30,077.21-41,506.92-16,649.71

Finding the Fourth Proportional to 30,077.21, 41,506.92 and 16,649.71

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Solution

The fourth proportional to 30,077.21, 41,506.92 and 16,649.71 is: 22,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.21 : 41,506.92 = 16,649.71 : x
  2. Step 2: Convert to fraction form
    30,077.21/41,506.92 = 16,649.71/x
  3. Step 3: Cross multiply
    30,077.21x = 41,506.92 × 16,649.71
  4. Step 4: Simplify right side
    30,077.21x = 691,078,077.23
  5. Step 5: Solve for x
    x = 691,078,077.23/30,077.21
  6. Step 6: Final answer
    x = 22,976.80

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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.