Home / 29,102.35-43,675.26-19,720.12

Finding the Fourth Proportional to 29,102.35, 43,675.26 and 19,720.12

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Solution

The fourth proportional to 29,102.35, 43,675.26 and 19,720.12 is: 29,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.35 : 43,675.26 = 19,720.12 : x
  2. Step 2: Convert to fraction form
    29,102.35/43,675.26 = 19,720.12/x
  3. Step 3: Cross multiply
    29,102.35x = 43,675.26 × 19,720.12
  4. Step 4: Simplify right side
    29,102.35x = 861,281,368.23
  5. Step 5: Solve for x
    x = 861,281,368.23/29,102.35
  6. Step 6: Final answer
    x = 29,594.91

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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.