Home / 31,362.12-47,044.44-13,827.96

Finding the Fourth Proportional to 31,362.12, 47,044.44 and 13,827.96

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Solution

The fourth proportional to 31,362.12, 47,044.44 and 13,827.96 is: 20,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.12 : 47,044.44 = 13,827.96 : x
  2. Step 2: Convert to fraction form
    31,362.12/47,044.44 = 13,827.96/x
  3. Step 3: Cross multiply
    31,362.12x = 47,044.44 × 13,827.96
  4. Step 4: Simplify right side
    31,362.12x = 650,528,634.54
  5. Step 5: Solve for x
    x = 650,528,634.54/31,362.12
  6. Step 6: Final answer
    x = 20,742.50

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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.