Home / 31,121.60-46,633.80-26,164.40

Finding the Fourth Proportional to 31,121.60, 46,633.80 and 26,164.40

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Solution

The fourth proportional to 31,121.60, 46,633.80 and 26,164.40 is: 39,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.60 : 46,633.80 = 26,164.40 : x
  2. Step 2: Convert to fraction form
    31,121.60/46,633.80 = 26,164.40/x
  3. Step 3: Cross multiply
    31,121.60x = 46,633.80 × 26,164.40
  4. Step 4: Simplify right side
    31,121.60x = 1,220,145,396.72
  5. Step 5: Solve for x
    x = 1,220,145,396.72/31,121.60
  6. Step 6: Final answer
    x = 39,205.74

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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.