Home / 47,967.99-71,939.49-19,896

Finding the Fourth Proportional to 47,967.99, 71,939.49 and 19,896

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Solution

The fourth proportional to 47,967.99, 71,939.49 and 19,896 is: 29,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,967.99 : 71,939.49 = 19,896 : x
  2. Step 2: Convert to fraction form
    47,967.99/71,939.49 = 19,896/x
  3. Step 3: Cross multiply
    47,967.99x = 71,939.49 × 19,896
  4. Step 4: Simplify right side
    47,967.99x = 1,431,308,093.04
  5. Step 5: Solve for x
    x = 1,431,308,093.04/47,967.99
  6. Step 6: Final answer
    x = 29,838.82

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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.