Home / 47,933.21-71,900-14,653.15

Finding the Fourth Proportional to 47,933.21, 71,900 and 14,653.15

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Solution

The fourth proportional to 47,933.21, 71,900 and 14,653.15 is: 21,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,933.21 : 71,900 = 14,653.15 : x
  2. Step 2: Convert to fraction form
    47,933.21/71,900 = 14,653.15/x
  3. Step 3: Cross multiply
    47,933.21x = 71,900 × 14,653.15
  4. Step 4: Simplify right side
    47,933.21x = 1,053,561,485
  5. Step 5: Solve for x
    x = 1,053,561,485/47,933.21
  6. Step 6: Final answer
    x = 21,979.78

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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.