Home / 36,690.69-55,060.67-12,998.14

Finding the Fourth Proportional to 36,690.69, 55,060.67 and 12,998.14

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Solution

The fourth proportional to 36,690.69, 55,060.67 and 12,998.14 is: 19,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.69 : 55,060.67 = 12,998.14 : x
  2. Step 2: Convert to fraction form
    36,690.69/55,060.67 = 12,998.14/x
  3. Step 3: Cross multiply
    36,690.69x = 55,060.67 × 12,998.14
  4. Step 4: Simplify right side
    36,690.69x = 715,686,297.15
  5. Step 5: Solve for x
    x = 715,686,297.15/36,690.69
  6. Step 6: Final answer
    x = 19,505.94

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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.