Home / 47,462.76-65,520.09-30,491.64

Finding the Fourth Proportional to 47,462.76, 65,520.09 and 30,491.64

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Solution

The fourth proportional to 47,462.76, 65,520.09 and 30,491.64 is: 42,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,462.76 : 65,520.09 = 30,491.64 : x
  2. Step 2: Convert to fraction form
    47,462.76/65,520.09 = 30,491.64/x
  3. Step 3: Cross multiply
    47,462.76x = 65,520.09 × 30,491.64
  4. Step 4: Simplify right side
    47,462.76x = 1,997,814,997.05
  5. Step 5: Solve for x
    x = 1,997,814,997.05/47,462.76
  6. Step 6: Final answer
    x = 42,092.26

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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.