Home / 34,186.20-51,279.30-31,075.80

Finding the Fourth Proportional to 34,186.20, 51,279.30 and 31,075.80

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Solution

The fourth proportional to 34,186.20, 51,279.30 and 31,075.80 is: 46,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.20 : 51,279.30 = 31,075.80 : x
  2. Step 2: Convert to fraction form
    34,186.20/51,279.30 = 31,075.80/x
  3. Step 3: Cross multiply
    34,186.20x = 51,279.30 × 31,075.80
  4. Step 4: Simplify right side
    34,186.20x = 1,593,545,270.94
  5. Step 5: Solve for x
    x = 1,593,545,270.94/34,186.20
  6. Step 6: Final answer
    x = 46,613.70

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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.