Home / 31,814.73-47,680.58-17,774.19

Finding the Fourth Proportional to 31,814.73, 47,680.58 and 17,774.19

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Solution

The fourth proportional to 31,814.73, 47,680.58 and 17,774.19 is: 26,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.73 : 47,680.58 = 17,774.19 : x
  2. Step 2: Convert to fraction form
    31,814.73/47,680.58 = 17,774.19/x
  3. Step 3: Cross multiply
    31,814.73x = 47,680.58 × 17,774.19
  4. Step 4: Simplify right side
    31,814.73x = 847,483,732.67
  5. Step 5: Solve for x
    x = 847,483,732.67/31,814.73
  6. Step 6: Final answer
    x = 26,638.09

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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.