Home / 31,179.20-46,768.80-25,638.80

Finding the Fourth Proportional to 31,179.20, 46,768.80 and 25,638.80

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Solution

The fourth proportional to 31,179.20, 46,768.80 and 25,638.80 is: 38,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.20 : 46,768.80 = 25,638.80 : x
  2. Step 2: Convert to fraction form
    31,179.20/46,768.80 = 25,638.80/x
  3. Step 3: Cross multiply
    31,179.20x = 46,768.80 × 25,638.80
  4. Step 4: Simplify right side
    31,179.20x = 1,199,095,909.44
  5. Step 5: Solve for x
    x = 1,199,095,909.44/31,179.20
  6. Step 6: Final answer
    x = 38,458.20

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1.5x scale

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.