Home / 30,168.09-45,193.28-19,748.25

Finding the Fourth Proportional to 30,168.09, 45,193.28 and 19,748.25

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Solution

The fourth proportional to 30,168.09, 45,193.28 and 19,748.25 is: 29,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.09 : 45,193.28 = 19,748.25 : x
  2. Step 2: Convert to fraction form
    30,168.09/45,193.28 = 19,748.25/x
  3. Step 3: Cross multiply
    30,168.09x = 45,193.28 × 19,748.25
  4. Step 4: Simplify right side
    30,168.09x = 892,488,093.02
  5. Step 5: Solve for x
    x = 892,488,093.02/30,168.09
  6. Step 6: Final answer
    x = 29,583.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.