Home / 47,751.48-71,658.30-18,169.56

Finding the Fourth Proportional to 47,751.48, 71,658.30 and 18,169.56

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Solution

The fourth proportional to 47,751.48, 71,658.30 and 18,169.56 is: 27,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,751.48 : 71,658.30 = 18,169.56 : x
  2. Step 2: Convert to fraction form
    47,751.48/71,658.30 = 18,169.56/x
  3. Step 3: Cross multiply
    47,751.48x = 71,658.30 × 18,169.56
  4. Step 4: Simplify right side
    47,751.48x = 1,301,999,781.35
  5. Step 5: Solve for x
    x = 1,301,999,781.35/47,751.48
  6. Step 6: Final answer
    x = 27,266.17

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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.