Home / 31,788.36-47,650.14-14,253.48

Finding the Fourth Proportional to 31,788.36, 47,650.14 and 14,253.48

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Solution

The fourth proportional to 31,788.36, 47,650.14 and 14,253.48 is: 21,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.36 : 47,650.14 = 14,253.48 : x
  2. Step 2: Convert to fraction form
    31,788.36/47,650.14 = 14,253.48/x
  3. Step 3: Cross multiply
    31,788.36x = 47,650.14 × 14,253.48
  4. Step 4: Simplify right side
    31,788.36x = 679,180,317.49
  5. Step 5: Solve for x
    x = 679,180,317.49/31,788.36
  6. Step 6: Final answer
    x = 21,365.69

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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.