Home / 49,841.81-68,781.49-27,180.74

Finding the Fourth Proportional to 49,841.81, 68,781.49 and 27,180.74

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Solution

The fourth proportional to 49,841.81, 68,781.49 and 27,180.74 is: 37,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,841.81 : 68,781.49 = 27,180.74 : x
  2. Step 2: Convert to fraction form
    49,841.81/68,781.49 = 27,180.74/x
  3. Step 3: Cross multiply
    49,841.81x = 68,781.49 × 27,180.74
  4. Step 4: Simplify right side
    49,841.81x = 1,869,531,316.69
  5. Step 5: Solve for x
    x = 1,869,531,316.69/49,841.81
  6. Step 6: Final answer
    x = 37,509.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.