Home / 47,876.31-66,072.20-27,739.53

Finding the Fourth Proportional to 47,876.31, 66,072.20 and 27,739.53

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Solution

The fourth proportional to 47,876.31, 66,072.20 and 27,739.53 is: 38,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.31 : 66,072.20 = 27,739.53 : x
  2. Step 2: Convert to fraction form
    47,876.31/66,072.20 = 27,739.53/x
  3. Step 3: Cross multiply
    47,876.31x = 66,072.20 × 27,739.53
  4. Step 4: Simplify right side
    47,876.31x = 1,832,811,635.37
  5. Step 5: Solve for x
    x = 1,832,811,635.37/47,876.31
  6. Step 6: Final answer
    x = 38,282.22

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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.