Home / 31,542.73-47,315.00-11,817.51

Finding the Fourth Proportional to 31,542.73, 47,315.00 and 11,817.51

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Solution

The fourth proportional to 31,542.73, 47,315.00 and 11,817.51 is: 17,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.73 : 47,315.00 = 11,817.51 : x
  2. Step 2: Convert to fraction form
    31,542.73/47,315.00 = 11,817.51/x
  3. Step 3: Cross multiply
    31,542.73x = 47,315.00 × 11,817.51
  4. Step 4: Simplify right side
    31,542.73x = 559,145,426.56
  5. Step 5: Solve for x
    x = 559,145,426.56/31,542.73
  6. Step 6: Final answer
    x = 17,726.60

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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.