Home / 47,917.13-71,879.40-14,637.47

Finding the Fourth Proportional to 47,917.13, 71,879.40 and 14,637.47

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Solution

The fourth proportional to 47,917.13, 71,879.40 and 14,637.47 is: 21,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,917.13 : 71,879.40 = 14,637.47 : x
  2. Step 2: Convert to fraction form
    47,917.13/71,879.40 = 14,637.47/x
  3. Step 3: Cross multiply
    47,917.13x = 71,879.40 × 14,637.47
  4. Step 4: Simplify right side
    47,917.13x = 1,052,132,201.72
  5. Step 5: Solve for x
    x = 1,052,132,201.72/47,917.13
  6. Step 6: Final answer
    x = 21,957.33

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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.