Home / 47,855.53-66,039.65-29,960.38

Finding the Fourth Proportional to 47,855.53, 66,039.65 and 29,960.38

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Solution

The fourth proportional to 47,855.53, 66,039.65 and 29,960.38 is: 41,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.53 : 66,039.65 = 29,960.38 : x
  2. Step 2: Convert to fraction form
    47,855.53/66,039.65 = 29,960.38/x
  3. Step 3: Cross multiply
    47,855.53x = 66,039.65 × 29,960.38
  4. Step 4: Simplify right side
    47,855.53x = 1,978,572,859.27
  5. Step 5: Solve for x
    x = 1,978,572,859.27/47,855.53
  6. Step 6: Final answer
    x = 41,344.71

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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.