Home / 47,687.30-71,365.37-29,668.12

Finding the Fourth Proportional to 47,687.30, 71,365.37 and 29,668.12

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Solution

The fourth proportional to 47,687.30, 71,365.37 and 29,668.12 is: 44,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.30 : 71,365.37 = 29,668.12 : x
  2. Step 2: Convert to fraction form
    47,687.30/71,365.37 = 29,668.12/x
  3. Step 3: Cross multiply
    47,687.30x = 71,365.37 × 29,668.12
  4. Step 4: Simplify right side
    47,687.30x = 2,117,276,602.56
  5. Step 5: Solve for x
    x = 2,117,276,602.56/47,687.30
  6. Step 6: Final answer
    x = 44,399.17

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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.