Home / 47,945.19-66,164.64-27,814.05

Finding the Fourth Proportional to 47,945.19, 66,164.64 and 27,814.05

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Solution

The fourth proportional to 47,945.19, 66,164.64 and 27,814.05 is: 38,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.19 : 66,164.64 = 27,814.05 : x
  2. Step 2: Convert to fraction form
    47,945.19/66,164.64 = 27,814.05/x
  3. Step 3: Cross multiply
    47,945.19x = 66,164.64 × 27,814.05
  4. Step 4: Simplify right side
    47,945.19x = 1,840,306,605.19
  5. Step 5: Solve for x
    x = 1,840,306,605.19/47,945.19
  6. Step 6: Final answer
    x = 38,383.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.