Home / 47,918.88-71,889.26-14,643.68

Finding the Fourth Proportional to 47,918.88, 71,889.26 and 14,643.68

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Solution

The fourth proportional to 47,918.88, 71,889.26 and 14,643.68 is: 21,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918.88 : 71,889.26 = 14,643.68 : x
  2. Step 2: Convert to fraction form
    47,918.88/71,889.26 = 14,643.68/x
  3. Step 3: Cross multiply
    47,918.88x = 71,889.26 × 14,643.68
  4. Step 4: Simplify right side
    47,918.88x = 1,052,722,886.21
  5. Step 5: Solve for x
    x = 1,052,722,886.21/47,918.88
  6. Step 6: Final answer
    x = 21,968.85

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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.