Home / 34,279.73-51,312.99-31,372.91

Finding the Fourth Proportional to 34,279.73, 51,312.99 and 31,372.91

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Solution

The fourth proportional to 34,279.73, 51,312.99 and 31,372.91 is: 46,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.73 : 51,312.99 = 31,372.91 : x
  2. Step 2: Convert to fraction form
    34,279.73/51,312.99 = 31,372.91/x
  3. Step 3: Cross multiply
    34,279.73x = 51,312.99 × 31,372.91
  4. Step 4: Simplify right side
    34,279.73x = 1,609,837,817.10
  5. Step 5: Solve for x
    x = 1,609,837,817.10/34,279.73
  6. Step 6: Final answer
    x = 46,961.80

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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.