Home / 34,732.12-47,930.26-18,817

Finding the Fourth Proportional to 34,732.12, 47,930.26 and 18,817

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Solution

The fourth proportional to 34,732.12, 47,930.26 and 18,817 is: 25,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,732.12 : 47,930.26 = 18,817 : x
  2. Step 2: Convert to fraction form
    34,732.12/47,930.26 = 18,817/x
  3. Step 3: Cross multiply
    34,732.12x = 47,930.26 × 18,817
  4. Step 4: Simplify right side
    34,732.12x = 901,903,702.42
  5. Step 5: Solve for x
    x = 901,903,702.42/34,732.12
  6. Step 6: Final answer
    x = 25,967.42

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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.