Home / 51,857.75-71,564.68-30,637.04

Finding the Fourth Proportional to 51,857.75, 71,564.68 and 30,637.04

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Solution

The fourth proportional to 51,857.75, 71,564.68 and 30,637.04 is: 42,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,857.75 : 71,564.68 = 30,637.04 : x
  2. Step 2: Convert to fraction form
    51,857.75/71,564.68 = 30,637.04/x
  3. Step 3: Cross multiply
    51,857.75x = 71,564.68 × 30,637.04
  4. Step 4: Simplify right side
    51,857.75x = 2,192,529,644.22
  5. Step 5: Solve for x
    x = 2,192,529,644.22/51,857.75
  6. Step 6: Final answer
    x = 42,279.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.