Home / 30,079.36-41,508.82-16,649.80

Finding the Fourth Proportional to 30,079.36, 41,508.82 and 16,649.80

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Solution

The fourth proportional to 30,079.36, 41,508.82 and 16,649.80 is: 22,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.36 : 41,508.82 = 16,649.80 : x
  2. Step 2: Convert to fraction form
    30,079.36/41,508.82 = 16,649.80/x
  3. Step 3: Cross multiply
    30,079.36x = 41,508.82 × 16,649.80
  4. Step 4: Simplify right side
    30,079.36x = 691,113,551.24
  5. Step 5: Solve for x
    x = 691,113,551.24/30,079.36
  6. Step 6: Final answer
    x = 22,976.34

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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.