Home / 36,120.12-54,186.30-11,159.70

Finding the Fourth Proportional to 36,120.12, 54,186.30 and 11,159.70

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Solution

The fourth proportional to 36,120.12, 54,186.30 and 11,159.70 is: 16,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.12 : 54,186.30 = 11,159.70 : x
  2. Step 2: Convert to fraction form
    36,120.12/54,186.30 = 11,159.70/x
  3. Step 3: Cross multiply
    36,120.12x = 54,186.30 × 11,159.70
  4. Step 4: Simplify right side
    36,120.12x = 604,702,852.11
  5. Step 5: Solve for x
    x = 604,702,852.11/36,120.12
  6. Step 6: Final answer
    x = 16,741.44

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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.