Home / 32,619.45-48,936.84-10,128.98

Finding the Fourth Proportional to 32,619.45, 48,936.84 and 10,128.98

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Solution

The fourth proportional to 32,619.45, 48,936.84 and 10,128.98 is: 15,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.45 : 48,936.84 = 10,128.98 : x
  2. Step 2: Convert to fraction form
    32,619.45/48,936.84 = 10,128.98/x
  3. Step 3: Cross multiply
    32,619.45x = 48,936.84 × 10,128.98
  4. Step 4: Simplify right side
    32,619.45x = 495,680,212.45
  5. Step 5: Solve for x
    x = 495,680,212.45/32,619.45
  6. Step 6: Final answer
    x = 15,195.85

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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.