Home / 47,888-71,826.48-18,305.16

Finding the Fourth Proportional to 47,888, 71,826.48 and 18,305.16

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Solution

The fourth proportional to 47,888, 71,826.48 and 18,305.16 is: 27,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888 : 71,826.48 = 18,305.16 : x
  2. Step 2: Convert to fraction form
    47,888/71,826.48 = 18,305.16/x
  3. Step 3: Cross multiply
    47,888x = 71,826.48 × 18,305.16
  4. Step 4: Simplify right side
    47,888x = 1,314,795,208.64
  5. Step 5: Solve for x
    x = 1,314,795,208.64/47,888
  6. Step 6: Final answer
    x = 27,455.63

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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.