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Finding the Fourth Proportional to 35,649.70, 49,195.98 and 19,733.80

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Solution

The fourth proportional to 35,649.70, 49,195.98 and 19,733.80 is: 27,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649.70 : 49,195.98 = 19,733.80 : x
  2. Step 2: Convert to fraction form
    35,649.70/49,195.98 = 19,733.80/x
  3. Step 3: Cross multiply
    35,649.70x = 49,195.98 × 19,733.80
  4. Step 4: Simplify right side
    35,649.70x = 970,823,630.12
  5. Step 5: Solve for x
    x = 970,823,630.12/35,649.70
  6. Step 6: Final answer
    x = 27,232.31

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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.