Home / 36,033.53-54,053.18-12,665.21

Finding the Fourth Proportional to 36,033.53, 54,053.18 and 12,665.21

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Solution

The fourth proportional to 36,033.53, 54,053.18 and 12,665.21 is: 18,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,033.53 : 54,053.18 = 12,665.21 : x
  2. Step 2: Convert to fraction form
    36,033.53/54,053.18 = 12,665.21/x
  3. Step 3: Cross multiply
    36,033.53x = 54,053.18 × 12,665.21
  4. Step 4: Simplify right side
    36,033.53x = 684,594,812.54
  5. Step 5: Solve for x
    x = 684,594,812.54/36,033.53
  6. Step 6: Final answer
    x = 18,998.83

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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.