Home / 30,517.92-45,729.36-14,705.84

Finding the Fourth Proportional to 30,517.92, 45,729.36 and 14,705.84

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Solution

The fourth proportional to 30,517.92, 45,729.36 and 14,705.84 is: 22,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.92 : 45,729.36 = 14,705.84 : x
  2. Step 2: Convert to fraction form
    30,517.92/45,729.36 = 14,705.84/x
  3. Step 3: Cross multiply
    30,517.92x = 45,729.36 × 14,705.84
  4. Step 4: Simplify right side
    30,517.92x = 672,488,651.46
  5. Step 5: Solve for x
    x = 672,488,651.46/30,517.92
  6. Step 6: Final answer
    x = 22,035.86

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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.