Home / 43,700.80-65,560.32-14,120.32

Finding the Fourth Proportional to 43,700.80, 65,560.32 and 14,120.32

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Solution

The fourth proportional to 43,700.80, 65,560.32 and 14,120.32 is: 21,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.80 : 65,560.32 = 14,120.32 : x
  2. Step 2: Convert to fraction form
    43,700.80/65,560.32 = 14,120.32/x
  3. Step 3: Cross multiply
    43,700.80x = 65,560.32 × 14,120.32
  4. Step 4: Simplify right side
    43,700.80x = 925,732,697.70
  5. Step 5: Solve for x
    x = 925,732,697.70/43,700.80
  6. Step 6: Final answer
    x = 21,183.43

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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.