Home / 43,043.59-64,555.12-18,084.12

Finding the Fourth Proportional to 43,043.59, 64,555.12 and 18,084.12

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Solution

The fourth proportional to 43,043.59, 64,555.12 and 18,084.12 is: 27,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043.59 : 64,555.12 = 18,084.12 : x
  2. Step 2: Convert to fraction form
    43,043.59/64,555.12 = 18,084.12/x
  3. Step 3: Cross multiply
    43,043.59x = 64,555.12 × 18,084.12
  4. Step 4: Simplify right side
    43,043.59x = 1,167,422,536.69
  5. Step 5: Solve for x
    x = 1,167,422,536.69/43,043.59
  6. Step 6: Final answer
    x = 27,121.87

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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.