Home / 20,338.41-30,538.61-19,336.04

Finding the Fourth Proportional to 20,338.41, 30,538.61 and 19,336.04

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Solution

The fourth proportional to 20,338.41, 30,538.61 and 19,336.04 is: 29,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.41 : 30,538.61 = 19,336.04 : x
  2. Step 2: Convert to fraction form
    20,338.41/30,538.61 = 19,336.04/x
  3. Step 3: Cross multiply
    20,338.41x = 30,538.61 × 19,336.04
  4. Step 4: Simplify right side
    20,338.41x = 590,495,722.16
  5. Step 5: Solve for x
    x = 590,495,722.16/20,338.41
  6. Step 6: Final answer
    x = 29,033.52

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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.