Home / 29,148.12-43,648.04-19,272.60

Finding the Fourth Proportional to 29,148.12, 43,648.04 and 19,272.60

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Solution

The fourth proportional to 29,148.12, 43,648.04 and 19,272.60 is: 28,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.12 : 43,648.04 = 19,272.60 : x
  2. Step 2: Convert to fraction form
    29,148.12/43,648.04 = 19,272.60/x
  3. Step 3: Cross multiply
    29,148.12x = 43,648.04 × 19,272.60
  4. Step 4: Simplify right side
    29,148.12x = 841,211,215.70
  5. Step 5: Solve for x
    x = 841,211,215.70/29,148.12
  6. Step 6: Final answer
    x = 28,859.88

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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.