Home / 43,286.80-64,930.20-23,555.20

Finding the Fourth Proportional to 43,286.80, 64,930.20 and 23,555.20

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Solution

The fourth proportional to 43,286.80, 64,930.20 and 23,555.20 is: 35,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.80 : 64,930.20 = 23,555.20 : x
  2. Step 2: Convert to fraction form
    43,286.80/64,930.20 = 23,555.20/x
  3. Step 3: Cross multiply
    43,286.80x = 64,930.20 × 23,555.20
  4. Step 4: Simplify right side
    43,286.80x = 1,529,443,847.04
  5. Step 5: Solve for x
    x = 1,529,443,847.04/43,286.80
  6. Step 6: Final answer
    x = 35,332.80

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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.