Home / 31,296.57-46,930.20-18,152.70

Finding the Fourth Proportional to 31,296.57, 46,930.20 and 18,152.70

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Solution

The fourth proportional to 31,296.57, 46,930.20 and 18,152.70 is: 27,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.57 : 46,930.20 = 18,152.70 : x
  2. Step 2: Convert to fraction form
    31,296.57/46,930.20 = 18,152.70/x
  3. Step 3: Cross multiply
    31,296.57x = 46,930.20 × 18,152.70
  4. Step 4: Simplify right side
    31,296.57x = 851,909,841.54
  5. Step 5: Solve for x
    x = 851,909,841.54/31,296.57
  6. Step 6: Final answer
    x = 27,220.55

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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.