Home / 36,111.58-54,173.21-11,145.80

Finding the Fourth Proportional to 36,111.58, 54,173.21 and 11,145.80

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Solution

The fourth proportional to 36,111.58, 54,173.21 and 11,145.80 is: 16,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.58 : 54,173.21 = 11,145.80 : x
  2. Step 2: Convert to fraction form
    36,111.58/54,173.21 = 11,145.80/x
  3. Step 3: Cross multiply
    36,111.58x = 54,173.21 × 11,145.80
  4. Step 4: Simplify right side
    36,111.58x = 603,803,437.42
  5. Step 5: Solve for x
    x = 603,803,437.42/36,111.58
  6. Step 6: Final answer
    x = 16,720.49

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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.