Home / 49,587.50-74,348.94-17,991.68

Finding the Fourth Proportional to 49,587.50, 74,348.94 and 17,991.68

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Solution

The fourth proportional to 49,587.50, 74,348.94 and 17,991.68 is: 26,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,587.50 : 74,348.94 = 17,991.68 : x
  2. Step 2: Convert to fraction form
    49,587.50/74,348.94 = 17,991.68/x
  3. Step 3: Cross multiply
    49,587.50x = 74,348.94 × 17,991.68
  4. Step 4: Simplify right side
    49,587.50x = 1,337,662,336.82
  5. Step 5: Solve for x
    x = 1,337,662,336.82/49,587.50
  6. Step 6: Final answer
    x = 26,975.80

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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.