Home / 30,722.46-46,101.60-12,952.04

Finding the Fourth Proportional to 30,722.46, 46,101.60 and 12,952.04

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Solution

The fourth proportional to 30,722.46, 46,101.60 and 12,952.04 is: 19,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.46 : 46,101.60 = 12,952.04 : x
  2. Step 2: Convert to fraction form
    30,722.46/46,101.60 = 12,952.04/x
  3. Step 3: Cross multiply
    30,722.46x = 46,101.60 × 12,952.04
  4. Step 4: Simplify right side
    30,722.46x = 597,109,536.76
  5. Step 5: Solve for x
    x = 597,109,536.76/30,722.46
  6. Step 6: Final answer
    x = 19,435.60

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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.