Home / 43,840.20-65,760.30-29,843.40

Finding the Fourth Proportional to 43,840.20, 65,760.30 and 29,843.40

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Solution

The fourth proportional to 43,840.20, 65,760.30 and 29,843.40 is: 44,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,840.20 : 65,760.30 = 29,843.40 : x
  2. Step 2: Convert to fraction form
    43,840.20/65,760.30 = 29,843.40/x
  3. Step 3: Cross multiply
    43,840.20x = 65,760.30 × 29,843.40
  4. Step 4: Simplify right side
    43,840.20x = 1,962,510,937.02
  5. Step 5: Solve for x
    x = 1,962,510,937.02/43,840.20
  6. Step 6: Final answer
    x = 44,765.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.