Home / 47,415.52-65,431.02-26,190.68

Finding the Fourth Proportional to 47,415.52, 65,431.02 and 26,190.68

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Solution

The fourth proportional to 47,415.52, 65,431.02 and 26,190.68 is: 36,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415.52 : 65,431.02 = 26,190.68 : x
  2. Step 2: Convert to fraction form
    47,415.52/65,431.02 = 26,190.68/x
  3. Step 3: Cross multiply
    47,415.52x = 65,431.02 × 26,190.68
  4. Step 4: Simplify right side
    47,415.52x = 1,713,682,906.89
  5. Step 5: Solve for x
    x = 1,713,682,906.89/47,415.52
  6. Step 6: Final answer
    x = 36,141.81

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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.