Home / 43,035.66-64,578.51-18,073.80

Finding the Fourth Proportional to 43,035.66, 64,578.51 and 18,073.80

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Solution

The fourth proportional to 43,035.66, 64,578.51 and 18,073.80 is: 27,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,035.66 : 64,578.51 = 18,073.80 : x
  2. Step 2: Convert to fraction form
    43,035.66/64,578.51 = 18,073.80/x
  3. Step 3: Cross multiply
    43,035.66x = 64,578.51 × 18,073.80
  4. Step 4: Simplify right side
    43,035.66x = 1,167,179,074.04
  5. Step 5: Solve for x
    x = 1,167,179,074.04/43,035.66
  6. Step 6: Final answer
    x = 27,121.21

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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.