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Finding the Fourth Proportional to 47,757.60, 65,901.60 and 29,840.40

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Solution

The fourth proportional to 47,757.60, 65,901.60 and 29,840.40 is: 41,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,757.60 : 65,901.60 = 29,840.40 : x
  2. Step 2: Convert to fraction form
    47,757.60/65,901.60 = 29,840.40/x
  3. Step 3: Cross multiply
    47,757.60x = 65,901.60 × 29,840.40
  4. Step 4: Simplify right side
    47,757.60x = 1,966,530,104.64
  5. Step 5: Solve for x
    x = 1,966,530,104.64/47,757.60
  6. Step 6: Final answer
    x = 41,177.32

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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.