Home / 51,918.03-71,640.72-29,251.80

Finding the Fourth Proportional to 51,918.03, 71,640.72 and 29,251.80

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Solution

The fourth proportional to 51,918.03, 71,640.72 and 29,251.80 is: 40,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.03 : 71,640.72 = 29,251.80 : x
  2. Step 2: Convert to fraction form
    51,918.03/71,640.72 = 29,251.80/x
  3. Step 3: Cross multiply
    51,918.03x = 71,640.72 × 29,251.80
  4. Step 4: Simplify right side
    51,918.03x = 2,095,620,013.30
  5. Step 5: Solve for x
    x = 2,095,620,013.30/51,918.03
  6. Step 6: Final answer
    x = 40,364.01

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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.