Home / 47,347.20-65,336.60-27,190.08

Finding the Fourth Proportional to 47,347.20, 65,336.60 and 27,190.08

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Solution

The fourth proportional to 47,347.20, 65,336.60 and 27,190.08 is: 37,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,347.20 : 65,336.60 = 27,190.08 : x
  2. Step 2: Convert to fraction form
    47,347.20/65,336.60 = 27,190.08/x
  3. Step 3: Cross multiply
    47,347.20x = 65,336.60 × 27,190.08
  4. Step 4: Simplify right side
    47,347.20x = 1,776,507,380.93
  5. Step 5: Solve for x
    x = 1,776,507,380.93/47,347.20
  6. Step 6: Final answer
    x = 37,520.85

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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.