Home / 47,380.09-65,384.50-27,240.90

Finding the Fourth Proportional to 47,380.09, 65,384.50 and 27,240.90

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Solution

The fourth proportional to 47,380.09, 65,384.50 and 27,240.90 is: 37,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.09 : 65,384.50 = 27,240.90 : x
  2. Step 2: Convert to fraction form
    47,380.09/65,384.50 = 27,240.90/x
  3. Step 3: Cross multiply
    47,380.09x = 65,384.50 × 27,240.90
  4. Step 4: Simplify right side
    47,380.09x = 1,781,132,489.85
  5. Step 5: Solve for x
    x = 1,781,132,489.85/47,380.09
  6. Step 6: Final answer
    x = 37,592.43

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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.