Home / 49,740.81-74,608.78-18,573.63

Finding the Fourth Proportional to 49,740.81, 74,608.78 and 18,573.63

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Solution

The fourth proportional to 49,740.81, 74,608.78 and 18,573.63 is: 27,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,740.81 : 74,608.78 = 18,573.63 : x
  2. Step 2: Convert to fraction form
    49,740.81/74,608.78 = 18,573.63/x
  3. Step 3: Cross multiply
    49,740.81x = 74,608.78 × 18,573.63
  4. Step 4: Simplify right side
    49,740.81x = 1,385,755,874.47
  5. Step 5: Solve for x
    x = 1,385,755,874.47/49,740.81
  6. Step 6: Final answer
    x = 27,859.54

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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.