Home / 36,109.14-54,148.22-12,419.07

Finding the Fourth Proportional to 36,109.14, 54,148.22 and 12,419.07

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Solution

The fourth proportional to 36,109.14, 54,148.22 and 12,419.07 is: 18,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.14 : 54,148.22 = 12,419.07 : x
  2. Step 2: Convert to fraction form
    36,109.14/54,148.22 = 12,419.07/x
  3. Step 3: Cross multiply
    36,109.14x = 54,148.22 × 12,419.07
  4. Step 4: Simplify right side
    36,109.14x = 672,470,534.56
  5. Step 5: Solve for x
    x = 672,470,534.56/36,109.14
  6. Step 6: Final answer
    x = 18,623.28

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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.