Home / 34,009.12-51,012.28-11,827.52

Finding the Fourth Proportional to 34,009.12, 51,012.28 and 11,827.52

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Solution

The fourth proportional to 34,009.12, 51,012.28 and 11,827.52 is: 17,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,009.12 : 51,012.28 = 11,827.52 : x
  2. Step 2: Convert to fraction form
    34,009.12/51,012.28 = 11,827.52/x
  3. Step 3: Cross multiply
    34,009.12x = 51,012.28 × 11,827.52
  4. Step 4: Simplify right side
    34,009.12x = 603,348,761.95
  5. Step 5: Solve for x
    x = 603,348,761.95/34,009.12
  6. Step 6: Final answer
    x = 17,740.79

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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.