Home / 31,012.20-46,518.30-27,901.80

Finding the Fourth Proportional to 31,012.20, 46,518.30 and 27,901.80

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Solution

The fourth proportional to 31,012.20, 46,518.30 and 27,901.80 is: 41,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.20 : 46,518.30 = 27,901.80 : x
  2. Step 2: Convert to fraction form
    31,012.20/46,518.30 = 27,901.80/x
  3. Step 3: Cross multiply
    31,012.20x = 46,518.30 × 27,901.80
  4. Step 4: Simplify right side
    31,012.20x = 1,297,944,302.94
  5. Step 5: Solve for x
    x = 1,297,944,302.94/31,012.20
  6. Step 6: Final answer
    x = 41,852.70

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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.