Home / 31,085.40-46,628.10-30,793.80

Finding the Fourth Proportional to 31,085.40, 46,628.10 and 30,793.80

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Solution

The fourth proportional to 31,085.40, 46,628.10 and 30,793.80 is: 46,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,085.40 : 46,628.10 = 30,793.80 : x
  2. Step 2: Convert to fraction form
    31,085.40/46,628.10 = 30,793.80/x
  3. Step 3: Cross multiply
    31,085.40x = 46,628.10 × 30,793.80
  4. Step 4: Simplify right side
    31,085.40x = 1,435,856,385.78
  5. Step 5: Solve for x
    x = 1,435,856,385.78/31,085.40
  6. Step 6: Final answer
    x = 46,190.70

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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.