Home / 31,835.28-47,745.48-11,854.17

Finding the Fourth Proportional to 31,835.28, 47,745.48 and 11,854.17

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Solution

The fourth proportional to 31,835.28, 47,745.48 and 11,854.17 is: 17,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.28 : 47,745.48 = 11,854.17 : x
  2. Step 2: Convert to fraction form
    31,835.28/47,745.48 = 11,854.17/x
  3. Step 3: Cross multiply
    31,835.28x = 47,745.48 × 11,854.17
  4. Step 4: Simplify right side
    31,835.28x = 565,983,036.65
  5. Step 5: Solve for x
    x = 565,983,036.65/31,835.28
  6. Step 6: Final answer
    x = 17,778.48

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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.