Home / 31,829.40-47,745.72-11,834.46

Finding the Fourth Proportional to 31,829.40, 47,745.72 and 11,834.46

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Solution

The fourth proportional to 31,829.40, 47,745.72 and 11,834.46 is: 17,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829.40 : 47,745.72 = 11,834.46 : x
  2. Step 2: Convert to fraction form
    31,829.40/47,745.72 = 11,834.46/x
  3. Step 3: Cross multiply
    31,829.40x = 47,745.72 × 11,834.46
  4. Step 4: Simplify right side
    31,829.40x = 565,044,813.51
  5. Step 5: Solve for x
    x = 565,044,813.51/31,829.40
  6. Step 6: Final answer
    x = 17,752.29

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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.