Home / 47,529.48-71,279.82-19,821

Finding the Fourth Proportional to 47,529.48, 71,279.82 and 19,821

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Solution

The fourth proportional to 47,529.48, 71,279.82 and 19,821 is: 29,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.48 : 71,279.82 = 19,821 : x
  2. Step 2: Convert to fraction form
    47,529.48/71,279.82 = 19,821/x
  3. Step 3: Cross multiply
    47,529.48x = 71,279.82 × 19,821
  4. Step 4: Simplify right side
    47,529.48x = 1,412,837,312.22
  5. Step 5: Solve for x
    x = 1,412,837,312.22/47,529.48
  6. Step 6: Final answer
    x = 29,725.49

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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.