Home / 47,658.94-65,811.12-29,784.48

Finding the Fourth Proportional to 47,658.94, 65,811.12 and 29,784.48

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Solution

The fourth proportional to 47,658.94, 65,811.12 and 29,784.48 is: 41,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,658.94 : 65,811.12 = 29,784.48 : x
  2. Step 2: Convert to fraction form
    47,658.94/65,811.12 = 29,784.48/x
  3. Step 3: Cross multiply
    47,658.94x = 65,811.12 × 29,784.48
  4. Step 4: Simplify right side
    47,658.94x = 1,960,149,987.42
  5. Step 5: Solve for x
    x = 1,960,149,987.42/47,658.94
  6. Step 6: Final answer
    x = 41,128.69

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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.