Home / 47,492.51-71,212.43-19,432.25

Finding the Fourth Proportional to 47,492.51, 71,212.43 and 19,432.25

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Solution

The fourth proportional to 47,492.51, 71,212.43 and 19,432.25 is: 29,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,492.51 : 71,212.43 = 19,432.25 : x
  2. Step 2: Convert to fraction form
    47,492.51/71,212.43 = 19,432.25/x
  3. Step 3: Cross multiply
    47,492.51x = 71,212.43 × 19,432.25
  4. Step 4: Simplify right side
    47,492.51x = 1,383,817,289.64
  5. Step 5: Solve for x
    x = 1,383,817,289.64/47,492.51
  6. Step 6: Final answer
    x = 29,137.59

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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.