Home / 36,987.89-55,484.87-12,021.48

Finding the Fourth Proportional to 36,987.89, 55,484.87 and 12,021.48

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Solution

The fourth proportional to 36,987.89, 55,484.87 and 12,021.48 is: 18,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.89 : 55,484.87 = 12,021.48 : x
  2. Step 2: Convert to fraction form
    36,987.89/55,484.87 = 12,021.48/x
  3. Step 3: Cross multiply
    36,987.89x = 55,484.87 × 12,021.48
  4. Step 4: Simplify right side
    36,987.89x = 667,010,194.90
  5. Step 5: Solve for x
    x = 667,010,194.90/36,987.89
  6. Step 6: Final answer
    x = 18,033.21

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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.