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Finding the Fourth Proportional to 30,393.57, 41,950.13 and 17,822.37

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Solution

The fourth proportional to 30,393.57, 41,950.13 and 17,822.37 is: 24,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.57 : 41,950.13 = 17,822.37 : x
  2. Step 2: Convert to fraction form
    30,393.57/41,950.13 = 17,822.37/x
  3. Step 3: Cross multiply
    30,393.57x = 41,950.13 × 17,822.37
  4. Step 4: Simplify right side
    30,393.57x = 747,650,649.30
  5. Step 5: Solve for x
    x = 747,650,649.30/30,393.57
  6. Step 6: Final answer
    x = 24,598.97

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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.